Search a number
-
+
252201962898 = 2321183692
BaseRepresentation
bin1110101011100001101…
…0001000110110010010
3220002222101111011100200
43222320122020312102
513113002200303043
6311505431200030
724135541212444
oct3527032106622
9802871434320
10252201962898
1197a5a4845a6
1240a65b16016
131aa23329b12
14c2c7040494
1568612c27d3
hex3ab8688d92

252201962898 has 18 divisors (see below), whose sum is σ = 546442202709. Its totient is φ = 84066610752.

The previous prime is 252201962893. The next prime is 252201962927. The reversal of 252201962898 is 898269102252.

It is a happy number.

252201962898 is a `hidden beast` number, since 2 + 5 + 2 + 2 + 0 + 1 + 9 + 628 + 9 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 250397157609 + 1804805289 = 500397^2 + 42483^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=355107.

It is not an unprimeable number, because it can be changed into a prime (252201962891) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2071458 + ... + 2189826.

Almost surely, 2252201962898 is an apocalyptic number.

252201962898 is an abundant number, since it is smaller than the sum of its proper divisors (294240239811).

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

252201962898 is an frugal number, since it uses more digits than its factorization.

252201962898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236746 (or 118374 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 252201962898 in words is "two hundred fifty-two billion, two hundred one million, nine hundred sixty-two thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 9 18 118369 236738 355107 710214 1065321 2130642 14011220161 28022440322 42033660483 84067320966 126100981449 252201962898