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252105214450430 = 25112291865585913
BaseRepresentation
bin111001010100100111010001…
…110000001101101011111110
31020001122000121212012001011202
4321110213101300031223332
5231020442434344403210
62252103311530415502
7104050000142440625
oct7124472160155376
91201560555161152
10252105214450430
1173368248208090
122433781a291592
13aa8955c15ac83
144637d594a46bc
151e22c7dacd9a5
hexe549d1c0dafe

252105214450430 has 16 divisors (see below), whose sum is σ = 495042966557424. Its totient is φ = 91674623436480.

The previous prime is 252105214450417. The next prime is 252105214450471. The reversal of 252105214450430 is 34054412501252.

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, 1145932792847 + ... + 1145932793066.

It is an arithmetic number, because the mean of its divisors is an integer number (30940185409839).

Almost surely, 2252105214450430 is an apocalyptic number.

252105214450430 is a deficient number, since it is larger than the sum of its proper divisors (242937752106994).

252105214450430 is a wasteful number, since it uses less digits than its factorization.

252105214450430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291865585931.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 252105214450430 its reverse (34054412501252), we get a palindrome (286159626951682).

The spelling of 252105214450430 in words is "two hundred fifty-two trillion, one hundred five billion, two hundred fourteen million, four hundred fifty thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 2291865585913 4583731171826 11459327929565 22918655859130 25210521445043 50421042890086 126052607225215 252105214450430