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103566256431 = 3116997448531
BaseRepresentation
bin110000001110100000…
…1111010100100101111
3100220022201011221101020
41200131001322210233
53144100430201211
6115324440145223
710324316440401
oct1403501724457
9326281157336
10103566256431
113aa164a7370
12180a4168213
1399c6606951
145026948b71
152a62383306
hex181d07a92f

103566256431 has 16 divisors (see below), whose sum is σ = 150663692928. Its totient is φ = 62758317600.

The previous prime is 103566256403. The next prime is 103566256459. The reversal of 103566256431 is 134652665301.

It is an interprime number because it is at equal distance from previous prime (103566256403) and next prime (103566256459).

It is not a de Polignac number, because 103566256431 - 211 = 103566254383 is a prime.

It is a super-3 number, since 3×1035662564313 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103566256471) 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, 6636 + ... + 455166.

It is an arithmetic number, because the mean of its divisors is an integer number (9416480808).

Almost surely, 2103566256431 is an apocalyptic number.

103566256431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103566256431 is a deficient number, since it is larger than the sum of its proper divisors (47097436497).

103566256431 is a wasteful number, since it uses less digits than its factorization.

103566256431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455542.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 103566256431 in words is "one hundred three billion, five hundred sixty-six million, two hundred fifty-six thousand, four hundred thirty-one".

Divisors: 1 3 11 33 6997 20991 76967 230901 448531 1345593 4933841 14801523 3138371407 9415114221 34522085477 103566256431