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125374646231 = 1011241333131
BaseRepresentation
bin111010011000011101…
…0010100011111010111
3102222121120111221001222
41310300322110133113
54023231402134411
6133332445440555
712025620623642
oct1646072243727
9388546457058
10125374646231
11491977a040a
122036b87015b
13ba9084b303
1460d508ca59
1533dbc634db
hex1d30e947d7

125374646231 has 4 divisors (see below), whose sum is σ = 126615979464. Its totient is φ = 124133313000.

The previous prime is 125374646207. The next prime is 125374646249. The reversal of 125374646231 is 132646473521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125374646231 is a prime.

It is a super-2 number, since 2×1253746462312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125374646251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620666465 + ... + 620666666.

It is an arithmetic number, because the mean of its divisors is an integer number (31653994866).

Almost surely, 2125374646231 is an apocalyptic number.

125374646231 is a deficient number, since it is larger than the sum of its proper divisors (1241333233).

125374646231 is a wasteful number, since it uses less digits than its factorization.

125374646231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241333232.

The product of its digits is 725760, while the sum is 44.

The spelling of 125374646231 in words is "one hundred twenty-five billion, three hundred seventy-four million, six hundred forty-six thousand, two hundred thirty-one".

Divisors: 1 101 1241333131 125374646231