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158006131862401 = 2543249432
BaseRepresentation
bin100011111011010010101011…
…010111001010101110000001
3202201110020110000001002011201
4203323102223113022232001
5131202233024224044101
61320015003115141201
745165365146556524
oct4373225327125601
9681406400032151
10158006131862401
114638902a252479
121587a791a44801
136a21bb6947204
142b037751d0bbb
15134017e877e01
hex8fb4ab5cab81

158006131862401 has 9 divisors (see below), whose sum is σ = 158100274726849. Its totient is φ = 157912045045636.

The previous prime is 158006131862393. The next prime is 158006131862441. The reversal of 158006131862401 is 104268131600851.

The square root of 158006131862401 is 12570049.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 158006131862401 - 23 = 158006131862393 is a prime.

It is a super-2 number, since 2×1580061318624012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158006131862441) 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, 31965632136 + ... + 31965637078.

Almost surely, 2158006131862401 is an apocalyptic number.

158006131862401 is the 12570049-th square number.

158006131862401 is the 6285025-th centered octagonal number.

It is an amenable number.

158006131862401 is a deficient number, since it is larger than the sum of its proper divisors (94142864448).

158006131862401 is an frugal number, since it uses more digits than its factorization.

158006131862401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14972 (or 7486 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 158006131862401 in words is "one hundred fifty-eight trillion, six billion, one hundred thirty-one million, eight hundred sixty-two thousand, four hundred one".

Divisors: 1 2543 4943 6466849 12570049 24433249 31965634607 62133752207 158006131862401