Search a number
-
+
245727222188 = 2278775972221
BaseRepresentation
bin1110010011011001111…
…0111101100110101100
3212111021011010020212012
43210312132331212230
513011222132102223
6304515135100352
723516230632410
oct3446636754654
9774234106765
10245727222188
119523767a018
123b7596716b8
131a230ab11b6
14bc71172d40
1565d2b60c78
hex39367bd9ac

245727222188 has 12 divisors (see below), whose sum is σ = 491454444432. Its totient is φ = 105311666640.

The previous prime is 245727222157. The next prime is 245727222271. The reversal of 245727222188 is 881222727542.

245727222188 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4387986083 + ... + 4387986138.

It is an arithmetic number, because the mean of its divisors is an integer number (40954537036).

Almost surely, 2245727222188 is an apocalyptic number.

245727222188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

245727222188 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

245727222188 is a wasteful number, since it uses less digits than its factorization.

245727222188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8775972232 (or 8775972230 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 50.

The spelling of 245727222188 in words is "two hundred forty-five billion, seven hundred twenty-seven million, two hundred twenty-two thousand, one hundred eighty-eight".

Divisors: 1 2 4 7 14 28 8775972221 17551944442 35103888884 61431805547 122863611094 245727222188