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10345206531 = 3112593120899
BaseRepresentation
bin10011010001001111…
…10101001100000011
3222200222022221110110
421220213311030003
5132141333102111
64430313402403
7514235542662
oct115047651403
928628287413
1010345206531
114429665870
122008709403
13c8b3858aa
14701d42dd9
1540834b5a6
hex2689f5303

10345206531 has 16 divisors (see below), whose sum is σ = 15053500800. Its totient is φ = 6267352320.

The previous prime is 10345206523. The next prime is 10345206539. The reversal of 10345206531 is 13560254301.

It is an interprime number because it is at equal distance from previous prime (10345206523) and next prime (10345206539).

It is not a de Polignac number, because 10345206531 - 23 = 10345206523 is a prime.

It is a super-2 number, since 2×103452065312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10345206539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25120 + ... + 146018.

It is an arithmetic number, because the mean of its divisors is an integer number (940843800).

Almost surely, 210345206531 is an apocalyptic number.

10345206531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10345206531 is a deficient number, since it is larger than the sum of its proper divisors (4708294269).

10345206531 is a wasteful number, since it uses less digits than its factorization.

10345206531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123506.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 10345206531 in words is "ten billion, three hundred forty-five million, two hundred six thousand, five hundred thirty-one".

Divisors: 1 3 11 33 2593 7779 28523 85569 120899 362697 1329889 3989667 313491107 940473321 3448402177 10345206531