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244970138412 = 223279281306533
BaseRepresentation
bin1110010000100101011…
…0111010101100101100
3212102022101112102011100
43210021112322230230
513003144323412122
6304312052123100
723461405551156
oct3441126725454
9772271472140
10244970138412
119498929084a
123b588006490
131a13cca632c
14bbdc7b9ad6
15658b464aac
hex39095bab2c

244970138412 has 72 divisors (see below), whose sum is σ = 629302040640. Its totient is φ = 80335906560.

The previous prime is 244970138393. The next prime is 244970138419. The reversal of 244970138412 is 214831079442.

244970138412 is a `hidden beast` number, since 2 + 449 + 70 + 138 + 4 + 1 + 2 = 666.

244970138412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (244970138419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 645898 + ... + 952430.

It is an arithmetic number, because the mean of its divisors is an integer number (8740306120).

Almost surely, 2244970138412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244970138412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314651020320).

244970138412 is an abundant number, since it is smaller than the sum of its proper divisors (384331902228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244970138412 is a wasteful number, since it uses less digits than its factorization.

244970138412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306903 (or 306898 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 244970138412 in words is "two hundred forty-four billion, nine hundred seventy million, one hundred thirty-eight thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 79 158 237 281 316 474 562 711 843 948 1124 1422 1686 2529 2844 3372 5058 10116 22199 44398 66597 88796 133194 199791 266388 306533 399582 613066 799164 919599 1226132 1839198 2758797 3678396 5517594 11035188 24216107 48432214 72648321 86135773 96864428 145296642 172271546 217944963 258407319 290593284 344543092 435889926 516814638 775221957 871779852 1033629276 1550443914 3100887828 6804726067 13609452134 20414178201 27218904268 40828356402 61242534603 81656712804 122485069206 244970138412