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231550433040104 = 23114190925346857
BaseRepresentation
bin110100101001100000001001…
…010011110001011011101000
31010100212000010210121211202022
4310221200021103301123220
5220322210241324240404
62140244444521324012
766525652405266653
oct6451401123613350
91110760123554668
10231550433040104
1167862a94a42222
1221b78037636608
139c2815c4c3699
14412715a69289a
151bb8258ae58be
hexd298094f16e8

231550433040104 has 16 divisors (see below), whose sum is σ = 434157459281700. Its totient is φ = 115775110564992.

The previous prime is 231550433040079. The next prime is 231550433040119. The reversal of 231550433040104 is 401040334055132.

It can be written as a sum of positive squares in 2 ways, for example, as 139601550396100 + 91948882644004 = 11815310^2 + 9588998^2 .

It is a super-2 number, since 2×2315504330401042 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3538157 + ... + 21808700.

Almost surely, 2231550433040104 is an apocalyptic number.

It is an amenable number.

231550433040104 is a deficient number, since it is larger than the sum of its proper divisors (202607026241596).

231550433040104 is a wasteful number, since it uses less digits than its factorization.

231550433040104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26488772 (or 26488768 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 231550433040104 its reverse (401040334055132), we get a palindrome (632590767095236).

The spelling of 231550433040104 in words is "two hundred thirty-one trillion, five hundred fifty billion, four hundred thirty-three million, forty thousand, one hundred four".

Divisors: 1 2 4 8 1141909 2283818 4567636 9135272 25346857 50693714 101387428 202774856 28943804130013 57887608260026 115775216520052 231550433040104