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38068303128 = 23310317099011
BaseRepresentation
bin100011011101000011…
…000011010100011000
310122021001020011112220
4203131003003110120
51110430441200003
625253251504040
72515240144332
oct433503032430
9118231204486
1038068303128
1115165623649
127464bb8020
133788b0156b
141bb1c12452
15ecc117353
hex8dd0c3518

38068303128 has 64 divisors (see below), whose sum is σ = 96161644800. Its totient is φ = 12557489280.

The previous prime is 38068303079. The next prime is 38068303129. The reversal of 38068303128 is 82130386083.

It is a self number, because there is not a number n which added to its sum of digits gives 38068303128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38068303129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4220143 + ... + 4229153.

It is an arithmetic number, because the mean of its divisors is an integer number (1502525700).

Almost surely, 238068303128 is an apocalyptic number.

It is an amenable number.

38068303128 is an abundant number, since it is smaller than the sum of its proper divisors (58093341672).

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

38068303128 is a wasteful number, since it uses less digits than its factorization.

38068303128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10832 (or 10828 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 38068303128 in words is "thirty-eight billion, sixty-eight million, three hundred three thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 103 206 309 412 618 824 1236 1709 2472 3418 5127 6836 9011 10254 13672 18022 20508 27033 36044 41016 54066 72088 108132 176027 216264 352054 528081 704108 928133 1056162 1408216 1856266 2112324 2784399 3712532 4224648 5568798 7425064 11137596 15399799 22275192 30799598 46199397 61599196 92398794 123198392 184797588 369595176 1586179297 3172358594 4758537891 6344717188 9517075782 12689434376 19034151564 38068303128