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38738004980 = 22519110140839
BaseRepresentation
bin100100000100111101…
…110000101111110100
310200222201101112210012
4210010331300233310
51113313412124410
625443533515352
72540651416013
oct440475605764
9120881345705
1038738004980
1115479659554
127611342b58
13386479304c
141c36b40a7a
15101ad02605
hex904f70bf4

38738004980 has 24 divisors (see below), whose sum is σ = 81775733760. Its totient is φ = 15414073760.

The previous prime is 38738004961. The next prime is 38738005027. The reversal of 38738004980 is 8940083783.

It is a happy number.

38738004980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5066600 + ... + 5074239.

It is an arithmetic number, because the mean of its divisors is an integer number (3407322240).

Almost surely, 238738004980 is an apocalyptic number.

It is an amenable number.

38738004980 is an abundant number, since it is smaller than the sum of its proper divisors (43037728780).

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

38738004980 is a wasteful number, since it uses less digits than its factorization.

38738004980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141039 (or 10141037 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 38738004980 in words is "thirty-eight billion, seven hundred thirty-eight million, four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 191 382 764 955 1910 3820 10140839 20281678 40563356 50704195 101408390 202816780 1936900249 3873800498 7747600996 9684501245 19369002490 38738004980