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12104311224 = 2331987253823
BaseRepresentation
bin10110100010111100…
…10010000110111000
31011020120101201110010
423101132102012320
5144242200424344
65321033221520
7605645643045
oct132136220670
934216351403
1012104311224
1151516281a5
1224198618a0
1311ab957745
1482b8121cc
154ac9c78b9
hex2d17921b8

12104311224 has 32 divisors (see below), whose sum is σ = 30276126720. Its totient is φ = 4032723936.

The previous prime is 12104311217. The next prime is 12104311231. The reversal of 12104311224 is 42211340121.

It is an interprime number because it is at equal distance from previous prime (12104311217) and next prime (12104311231).

It is a self number, because there is not a number n which added to its sum of digits gives 12104311224.

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, 79224 + ... + 174599.

It is an arithmetic number, because the mean of its divisors is an integer number (946128960).

Almost surely, 212104311224 is an apocalyptic number.

It is an amenable number.

12104311224 is an abundant number, since it is smaller than the sum of its proper divisors (18171815496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12104311224 is a wasteful number, since it uses less digits than its factorization.

12104311224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255819 (or 255815 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12104311224 its reverse (42211340121), we get a palindrome (54315651345).

The spelling of 12104311224 in words is "twelve billion, one hundred four million, three hundred eleven thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 1987 3974 5961 7948 11922 15896 23844 47688 253823 507646 761469 1015292 1522938 2030584 3045876 6091752 504346301 1008692602 1513038903 2017385204 3026077806 4034770408 6052155612 12104311224