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969140826920 = 235731111652169
BaseRepresentation
bin11100001101001010100…
…10110111001100101000
310102122112002110000012202
432012211102313030220
5111334300022430140
62021114523155332
7130006133052260
oct16064522671450
93378462400182
10969140826920
11344012805472
121379ab375b48
137050ac03106
1434c99c6c7a0
151a3224c7915
hexe1a54b7328

969140826920 has 64 divisors (see below), whose sum is σ = 2572465996800. Its totient is φ = 321558243840.

The previous prime is 969140826919. The next prime is 969140826931. The reversal of 969140826920 is 29628041969.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 55817405 + ... + 55834764.

It is an arithmetic number, because the mean of its divisors is an integer number (40194781200).

Almost surely, 2969140826920 is an apocalyptic number.

It is an amenable number.

969140826920 is an abundant number, since it is smaller than the sum of its proper divisors (1603325169880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

969140826920 is a wasteful number, since it uses less digits than its factorization.

969140826920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111652218 (or 111652214 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 56.

The spelling of 969140826920 in words is "nine hundred sixty-nine billion, one hundred forty million, eight hundred twenty-six thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 31 35 40 56 62 70 124 140 155 217 248 280 310 434 620 868 1085 1240 1736 2170 4340 8680 111652169 223304338 446608676 558260845 781565183 893217352 1116521690 1563130366 2233043380 3126260732 3461217239 3907825915 4466086760 6252521464 6922434478 7815651830 13844868956 15631303660 17306086195 24228520673 27689737912 31262607320 34612172390 48457041346 69224344780 96914082692 121142603365 138448689560 193828165384 242285206730 484570413460 969140826920