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231550424445102 = 23729271883534453
BaseRepresentation
bin110100101001100000001000…
…110010111111000010101110
31010100212000010012110011121220
4310221200020302333002232
5220322210232124220402
62140244444013204210
766525652242241440
oct6451401062770256
91110760105404556
10231550424445102
1167862a90101714
1221b78034790666
139c2815a7a4499
144127159496490
151bb8257e98dbc
hexd29808cbf0ae

231550424445102 has 32 divisors (see below), whose sum is σ = 529438932605952. Its totient is φ = 66134661678624.

The previous prime is 231550424445061. The next prime is 231550424445181. The reversal of 231550424445102 is 201544424055132.

It is a super-2 number, since 2×2315504244451022 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941644293 + ... + 941890160.

It is an arithmetic number, because the mean of its divisors is an integer number (16544966643936).

Almost surely, 2231550424445102 is an apocalyptic number.

231550424445102 is an abundant number, since it is smaller than the sum of its proper divisors (297888508160850).

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

231550424445102 is a wasteful number, since it uses less digits than its factorization.

231550424445102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883537392.

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 231550424445102 in words is "two hundred thirty-one trillion, five hundred fifty billion, four hundred twenty-four million, four hundred forty-five thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 42 2927 5854 8781 17562 20489 40978 61467 122934 1883534453 3767068906 5650603359 11301206718 13184741171 26369482342 39554223513 79108447026 5513105343931 11026210687862 16539316031793 33078632063586 38591737407517 77183474815034 115775212222551 231550424445102