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40869117930 = 23511312055787
BaseRepresentation
bin100110000011111111…
…010011111111101010
310220111020110022011110
4212003333103333222
51132144443233210
630435223011150
72644526525214
oct460377237752
9126436408143
1040869117930
1116372608223
127b06b99ab6
133b14155624
141d99ba95b4
1510e2e63420
hex983fd3fea

40869117930 has 32 divisors (see below), whose sum is σ = 98953907904. Its totient is φ = 10801984256.

The previous prime is 40869117923. The next prime is 40869118007. The reversal of 40869117930 is 3971196804.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40869117930.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6024504 + ... + 6031283.

It is an arithmetic number, because the mean of its divisors is an integer number (3092309622).

Almost surely, 240869117930 is an apocalyptic number.

40869117930 is an abundant number, since it is smaller than the sum of its proper divisors (58084789974).

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

40869117930 is a wasteful number, since it uses less digits than its factorization.

40869117930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12055910.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 40869117930 in words is "forty billion, eight hundred sixty-nine million, one hundred seventeen thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 113 226 339 565 678 1130 1695 3390 12055787 24111574 36167361 60278935 72334722 120557870 180836805 361673610 1362303931 2724607862 4086911793 6811519655 8173823586 13623039310 20434558965 40869117930