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38068127857 = 4310115158049
BaseRepresentation
bin100011011101000010…
…011000100001110001
310122021000220021010101
4203131002120201301
51110430420042412
625253244032401
72515235514334
oct433502304161
9118230807111
1038068127857
11151655139a1
127464b32701
133788a6c856
141bb1ba861b
15ecc0d0457
hex8dd098871

38068127857 has 16 divisors (see below), whose sum is σ = 39600316800. Its totient is φ = 36570240000.

The previous prime is 38068127837. The next prime is 38068127879. The reversal of 38068127857 is 75872186083.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38068127857 - 215 = 38068095089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38068127798 and 38068127807.

It is not an unprimeable number, because it can be changed into a prime (38068127807) 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, 626769 + ... + 684817.

It is an arithmetic number, because the mean of its divisors is an integer number (2475019800).

Almost surely, 238068127857 is an apocalyptic number.

It is an amenable number.

38068127857 is a deficient number, since it is larger than the sum of its proper divisors (1532188943).

38068127857 is a wasteful number, since it uses less digits than its factorization.

38068127857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58344.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 38068127857 in words is "thirty-eight billion, sixty-eight million, one hundred twenty-seven thousand, eight hundred fifty-seven".

Divisors: 1 43 101 151 4343 6493 15251 58049 655793 2496107 5862949 8765399 252106807 376912157 885305299 38068127857