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15115201223252 = 2213709409981589
BaseRepresentation
bin1101101111110100100000…
…1100110001101001010100
31222111222222100202212120212
43123331020030301221110
53440121413003121002
652051454431344552
73120015530345204
oct333751014615124
958458870685525
1015115201223252
1148a83590466a9
121841516382158
13858485170280
143a381877a404
151b32ab1b0352
hexdbf48331a54

15115201223252 has 24 divisors (see below), whose sum is σ = 28526519032200. Its totient is φ = 6966407143296.

The previous prime is 15115201223249. The next prime is 15115201223273. The reversal of 15115201223252 is 25232210251151.

15115201223252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 555436316176 + 14559764907076 = 745276^2 + 3815726^2 .

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, 204953927 + ... + 205027662.

It is an arithmetic number, because the mean of its divisors is an integer number (1188604959675).

Almost surely, 215115201223252 is an apocalyptic number.

It is an amenable number.

15115201223252 is a deficient number, since it is larger than the sum of its proper divisors (13411317808948).

15115201223252 is a wasteful number, since it uses less digits than its factorization.

15115201223252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409982315 (or 409982313 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 15115201223252 in words is "fifteen trillion, one hundred fifteen billion, two hundred one million, two hundred twenty-three thousand, two hundred fifty-two".

Divisors: 1 2 4 13 26 52 709 1418 2836 9217 18434 36868 409981589 819963178 1639926356 5329760657 10659521314 21319042628 290676946601 581353893202 1162707786404 3778800305813 7557600611626 15115201223252