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13025452031 = 831131388789
BaseRepresentation
bin11000010000110000…
…01001111111111111
31020121202200112002022
430020120021333333
5203134003431111
65552300350355
7640532341544
oct141030117777
936552615068
1013025452031
115584589999
1226362453bb
1312c7743887
148b7cb2bcb
155137cd2db
hex308609fff

13025452031 has 8 divisors (see below), whose sum is σ = 13299053040. Its totient is φ = 12754628992.

The previous prime is 13025452021. The next prime is 13025452043.

It is a happy number.

13025452031 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13025452031 - 218 = 13025189887 is a prime.

It is a super-2 number, since 2×130254520312 (a number of 21 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 (13025452021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685016 + ... + 703773.

It is an arithmetic number, because the mean of its divisors is an integer number (1662381630).

Almost surely, 213025452031 is an apocalyptic number.

13025452031 is a deficient number, since it is larger than the sum of its proper divisors (273601009).

13025452031 is a wasteful number, since it uses less digits than its factorization.

13025452031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388985.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 13025452031 in words is "thirteen billion, twenty-five million, four hundred fifty-two thousand, thirty-one".

Divisors: 1 83 113 9379 1388789 115269487 156933157 13025452031