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215352420234324 = 22371512509583977
BaseRepresentation
bin110000111101110010100100…
…100000100111010001010100
31001020111111020102211021112020
4300331302210200213101110
5211211313224034444244
62042003311443453140
763234461505212262
oct6075624440472124
91036444212737466
10215352420234324
11626884a2aa602a
12201a08a99871b0
1393218525cb899
143b27181577432
1519d6c25e78d19
hexc3dca4827454

215352420234324 has 24 divisors (see below), whose sum is σ = 502559249098368. Its totient is φ = 71774101713600.

The previous prime is 215352420234317. The next prime is 215352420234337. The reversal of 215352420234324 is 423432024253512.

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, 1254706177 + ... + 1254877800.

It is an arithmetic number, because the mean of its divisors is an integer number (20939968712432).

Almost surely, 2215352420234324 is an apocalyptic number.

It is an amenable number.

215352420234324 is an abundant number, since it is smaller than the sum of its proper divisors (287206828864044).

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

215352420234324 is a wasteful number, since it uses less digits than its factorization.

215352420234324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509591135 (or 2509591133 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 42.

Adding to 215352420234324 its reverse (423432024253512), we get a palindrome (638784444487836).

The spelling of 215352420234324 in words is "two hundred fifteen trillion, three hundred fifty-two billion, four hundred twenty million, two hundred thirty-four thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 7151 14302 21453 28604 42906 85812 2509583977 5019167954 7528751931 10038335908 15057503862 30115007724 17946035019527 35892070039054 53838105058581 71784140078108 107676210117162 215352420234324