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38068384780 = 2251903419239
BaseRepresentation
bin100011011101000011…
…010111010000001100
310122021001101022120001
4203131003113100030
51110431001303110
625253253334044
72515240634356
oct433503272014
9118231338501
1038068384780
1115165679a28
127465037324
133788b2c78a
141bb1c340d6
15ecc13163a
hex8dd0d740c

38068384780 has 12 divisors (see below), whose sum is σ = 79943608080. Its totient is φ = 15227353904.

The previous prime is 38068384769. The next prime is 38068384787. The reversal of 38068384780 is 8748386083.

It is not an unprimeable number, because it can be changed into a prime (38068384787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951709600 + ... + 951709639.

It is an arithmetic number, because the mean of its divisors is an integer number (6661967340).

Almost surely, 238068384780 is an apocalyptic number.

It is an amenable number.

38068384780 is an abundant number, since it is smaller than the sum of its proper divisors (41875223300).

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

38068384780 is a wasteful number, since it uses less digits than its factorization.

38068384780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903419248 (or 1903419246 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 38068384780 in words is "thirty-eight billion, sixty-eight million, three hundred eighty-four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 1903419239 3806838478 7613676956 9517096195 19034192390 38068384780