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38685340363143 = 31632572771111283
BaseRepresentation
bin10001100101111001000011…
…11110000110100110000111
312001222021121212212211212010
420302330201332012212013
520032310034113110033
6214135444445425303
711101631540362065
oct1062744176064607
9161867555784763
1038685340363143
11113653a7123821
12440958a26b233
131878020314cb6
1497a547dc9035
15471463d15863
hex232f21f86987

38685340363143 has 32 divisors (see below), whose sum is σ = 52286961252096. Its totient is φ = 25440072081408.

The previous prime is 38685340363139. The next prime is 38685340363177. The reversal of 38685340363143 is 34136304358683.

38685340363143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38685340363143 - 22 = 38685340363139 is a prime.

It is a super-2 number, since 2×386853403631432 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38685340363123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34255780 + ... + 35367062.

It is an arithmetic number, because the mean of its divisors is an integer number (1633967539128).

Almost surely, 238685340363143 is an apocalyptic number.

38685340363143 is a deficient number, since it is larger than the sum of its proper divisors (13601620888953).

38685340363143 is a wasteful number, since it uses less digits than its factorization.

38685340363143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111983.

The product of its (nonzero) digits is 44789760, while the sum is 57.

The spelling of 38685340363143 in words is "thirty-eight trillion, six hundred eighty-five billion, three hundred forty million, three hundred sixty-three thousand, one hundred forty-three".

Divisors: 1 3 163 257 277 489 771 831 41891 45151 71189 125673 135453 213567 1111283 3333849 11603807 34811421 181139129 285599731 307825391 543417387 856799193 923476173 46552756153 50175538733 79111125487 139658268459 150526616199 237333376461 12895113454381 38685340363143