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38163517485 = 3544310615413
BaseRepresentation
bin100011100010101110…
…010001000000101101
310122111200101120002120
4203202232101000231
51111124330024420
625310532343153
72520504355242
oct434256210055
9118450346076
1038163517485
11152043465a5
127490a74ab9
1337a275aa12
141bc07195c9
15ed5673d40
hex8e2b9102d

38163517485 has 32 divisors (see below), whose sum is σ = 61268462208. Its totient is φ = 20285041920.

The previous prime is 38163517471. The next prime is 38163517493. The reversal of 38163517485 is 58471536183.

It is not a de Polignac number, because 38163517485 - 212 = 38163513389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7047639 + ... + 7053051.

It is an arithmetic number, because the mean of its divisors is an integer number (1914639444).

Almost surely, 238163517485 is an apocalyptic number.

It is an amenable number.

38163517485 is a deficient number, since it is larger than the sum of its proper divisors (23104944723).

38163517485 is a wasteful number, since it uses less digits than its factorization.

38163517485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6925.

The product of its digits is 2419200, while the sum is 51.

The spelling of 38163517485 in words is "thirty-eight billion, one hundred sixty-three million, five hundred seventeen thousand, four hundred eighty-five".

Divisors: 1 3 5 15 443 1061 1329 2215 3183 5305 5413 6645 15915 16239 27065 81195 470023 1410069 2350115 2397959 5743193 7050345 7193877 11989795 17229579 28715965 35969385 86147895 2544234499 7632703497 12721172495 38163517485