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38227512686 = 2118320935111
BaseRepresentation
bin100011100110100010…
…011000110101101110
310122200010210212000012
4203212202120311232
51111242220401221
625321140133222
72522212332206
oct434642306556
9118603725005
1038227512686
11152374860a0
1274aa397212
1337b2aa62bc
141bc9017406
15edb0b565b
hex8e6898d6e

38227512686 has 16 divisors (see below), whose sum is σ = 63307778688. Its totient is φ = 17166790200.

The previous prime is 38227512671. The next prime is 38227512709. The reversal of 38227512686 is 68621572283.

38227512686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×382275126862 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 10465730 + ... + 10469381.

It is an arithmetic number, because the mean of its divisors is an integer number (3956736168).

Almost surely, 238227512686 is an apocalyptic number.

38227512686 is a deficient number, since it is larger than the sum of its proper divisors (25080266002).

38227512686 is a wasteful number, since it uses less digits than its factorization.

38227512686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20935207.

The product of its digits is 1935360, while the sum is 50.

The spelling of 38227512686 in words is "thirty-eight billion, two hundred twenty-seven million, five hundred twelve thousand, six hundred eighty-six".

Divisors: 1 2 11 22 83 166 913 1826 20935111 41870222 230286221 460572442 1737614213 3475228426 19113756343 38227512686