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252115511343342 = 231228919889171917
BaseRepresentation
bin111001010100110000110111…
…011111101111100011101110
31020001200000012110121101210220
4321110300313133233203232
5231021130031400441332
62252112133400512210
7104050513253541603
oct7124606737574356
91201600173541726
10252115511343342
1173371651574139
122433981277b666
13aa8a5104c8c0a
144638654c2c6aa
151e23182a84d2c
hexe54c377ef8ee

252115511343342 has 32 divisors (see below), whose sum is σ = 504300341469600. Its totient is φ = 84026951467008.

The previous prime is 252115511343331. The next prime is 252115511343347. The reversal of 252115511343342 is 243343115511252.

It is a junction number, because it is equal to n+sod(n) for n = 252115511343294 and 252115511343303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252115511343347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1466409568 + ... + 1466581484.

It is an arithmetic number, because the mean of its divisors is an integer number (15759385670925).

Almost surely, 2252115511343342 is an apocalyptic number.

252115511343342 is an abundant number, since it is smaller than the sum of its proper divisors (252184830126258).

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

252115511343342 is a wasteful number, since it uses less digits than its factorization.

252115511343342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204100.

The product of its digits is 432000, while the sum is 42.

Adding to 252115511343342 its reverse (243343115511252), we get a palindrome (495458626854594).

The spelling of 252115511343342 in words is "two hundred fifty-two trillion, one hundred fifteen billion, five hundred eleven million, three hundred forty-three thousand, three hundred forty-two".

Divisors: 1 2 3 6 12289 19889 24578 36867 39778 59667 73734 119334 171917 343834 515751 1031502 244415921 488831842 733247763 1466495526 2112688013 3419257213 4225376026 6338064039 6838514426 10257771639 12676128078 20515543278 42019251890557 84038503781114 126057755671671 252115511343342