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125145231147 = 33191731410103
BaseRepresentation
bin111010010001100111…
…1001010111100101011
3102222000120211102202000
41310203033022330223
54022244134344042
6133254012342043
712020133625206
oct1644317127453
9388016742660
10125145231147
114908a247472
1220306a74923
13ba55165341
1460b281093d
1533c6a4874c
hex1d233caf2b

125145231147 has 32 divisors (see below), whose sum is σ = 196286476800. Its totient is φ = 78582164256.

The previous prime is 125145231083. The next prime is 125145231209. The reversal of 125145231147 is 741132541521.

125145231147 is a `hidden beast` number, since 1 + 2 + 5 + 14 + 523 + 114 + 7 = 666.

It is not a de Polignac number, because 125145231147 - 26 = 125145231083 is a prime.

It is a super-3 number, since 3×1251452311473 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (125145231347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 616303 + ... + 793800.

It is an arithmetic number, because the mean of its divisors is an integer number (6133952400).

Almost surely, 2125145231147 is an apocalyptic number.

125145231147 is a deficient number, since it is larger than the sum of its proper divisors (71141245653).

125145231147 is a wasteful number, since it uses less digits than its factorization.

125145231147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410304 (or 1410298 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

Adding to 125145231147 its reverse (741132541521), we get a palindrome (866277772668).

The spelling of 125145231147 in words is "one hundred twenty-five billion, one hundred forty-five million, two hundred thirty-one thousand, one hundred forty-seven".

Divisors: 1 3 9 19 27 57 171 173 513 519 1557 3287 4671 9861 29583 88749 1410103 4230309 12690927 26791957 38072781 80375871 241127613 243947819 723382839 731843457 2195530371 4635008561 6586591113 13905025683 41715077049 125145231147