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231315202633650 = 23526723016438073
BaseRepresentation
bin110100100110000101000100…
…011110111110111110110010
31010100000111222012010002002020
4310212011010132332332302
5220304332013333234100
62135544423113332310
766502654233651462
oct6446050436767662
91110014865102066
10231315202633650
116778225456a233
1221b3a529407096
139c0bc1230b575
144119a03649ba2
151bb208c77c5a0
hexd261447befb2

231315202633650 has 48 divisors (see below), whose sum is σ = 582223817519904. Its totient is φ = 60763396510080.

The previous prime is 231315202633639. The next prime is 231315202633681. The reversal of 231315202633650 is 56336202513132.

It is a super-2 number, since 2×2313152026336502 (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 23 ways as a sum of consecutive naturals, for example, 11508208987 + ... + 11508229086.

It is an arithmetic number, because the mean of its divisors is an integer number (12129662864998).

Almost surely, 2231315202633650 is an apocalyptic number.

231315202633650 is an abundant number, since it is smaller than the sum of its proper divisors (350908614886254).

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

231315202633650 is a wasteful number, since it uses less digits than its factorization.

231315202633650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23016438155 (or 23016438150 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 231315202633650 in words is "two hundred thirty-one trillion, three hundred fifteen billion, two hundred two million, six hundred thirty-three thousand, six hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 67 75 134 150 201 335 402 670 1005 1675 2010 3350 5025 10050 23016438073 46032876146 69049314219 115082190365 138098628438 230164380730 345246571095 575410951825 690493142190 1150821903650 1542101350891 1726232855475 3084202701782 3452465710950 4626304052673 7710506754455 9252608105346 15421013508910 23131520263365 38552533772275 46263040526730 77105067544550 115657601316825 231315202633650