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69881130801 = 3217587778091
BaseRepresentation
bin100000100010100111…
…1010110111100110001
320200101010200020222200
41001011033112330301
52121104032141201
652034123053413
75022501545136
oct1010517267461
9220333606880
1069881130801
1127700092969
1211663071269
136788928351
14354cd1258d
151c3ee80386
hex10453d6f31

69881130801 has 24 divisors (see below), whose sum is σ = 107059234464. Its totient is φ = 43772231040.

The previous prime is 69881130799. The next prime is 69881130817. The reversal of 69881130801 is 10803118896.

It is not a de Polignac number, because 69881130801 - 21 = 69881130799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69881130871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299235 + ... + 478856.

It is an arithmetic number, because the mean of its divisors is an integer number (4460801436).

Almost surely, 269881130801 is an apocalyptic number.

It is an amenable number.

69881130801 is a deficient number, since it is larger than the sum of its proper divisors (37178103663).

69881130801 is a wasteful number, since it uses less digits than its factorization.

69881130801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778701 (or 778698 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The spelling of 69881130801 in words is "sixty-nine billion, eight hundred eighty-one million, one hundred thirty thousand, eight hundred one".

Divisors: 1 3 9 17 51 153 587 1761 5283 9979 29937 89811 778091 2334273 7002819 13227547 39682641 119047923 456739417 1370218251 4110654753 7764570089 23293710267 69881130801