Search a number
-
+
252453224543252 = 2271971876926903
BaseRepresentation
bin111001011001101011011000…
…110001010111010000010100
31020002212021220021120111001212
4321121223120301113100110
5231042143200440341002
62252531224342440552
7104114100150431345
oct7131533061272024
91202767807514055
10252453224543252
11734918a18a3747
1224393162133158
13aab33106a7115
14464ab309480cc
151e2bd4b0b5352
hexe59ad8c57414

252453224543252 has 12 divisors (see below), whose sum is σ = 441799281942816. Its totient is φ = 126224858273880.

The previous prime is 252453224543237. The next prime is 252453224543279. The reversal of 252453224543252 is 252345422354252.

It is a happy number.

It is a super-2 number, since 2×2524532245432522 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252453224543252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438175568 + ... + 438751335.

It is an arithmetic number, because the mean of its divisors is an integer number (36816606828568).

Almost surely, 2252453224543252 is an apocalyptic number.

It is an amenable number.

252453224543252 is a deficient number, since it is larger than the sum of its proper divisors (189346057399564).

252453224543252 is a wasteful number, since it uses less digits than its factorization.

252453224543252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876998878 (or 876998876 counting only the distinct ones).

The product of its digits is 23040000, while the sum is 50.

The spelling of 252453224543252 in words is "two hundred fifty-two trillion, four hundred fifty-three billion, two hundred twenty-four million, five hundred forty-three thousand, two hundred fifty-two".

Divisors: 1 2 4 71971 143942 287884 876926903 1753853806 3507707612 63113306135813 126226612271626 252453224543252