Base | Representation |
---|---|
bin | 110001111011001011… |
… | …0101110111001010010 |
3 | 101020201210222200012122 |
4 | 1203312112232321102 |
5 | 3224032331310430 |
6 | 121130325054242 |
7 | 10513552050542 |
oct | 1436626567122 |
9 | 336653880178 |
10 | 107212369490 |
11 | 41517651046 |
12 | 18941257382 |
13 | a157b10bb5 |
14 | 5290c9d322 |
15 | 2bc7502ee5 |
hex | 18f65aee52 |
107212369490 has 32 divisors (see below), whose sum is σ = 204665536944. Its totient is φ = 40296847360.
The previous prime is 107212369469. The next prime is 107212369493. The reversal of 107212369490 is 94963212701.
It is a Cunningham number, because it is equal to 3274332+1.
It can be written as a sum of positive squares in 8 ways, for example, as 10902074569 + 96310294921 = 104413^2 + 310339^2 .
It is a super-2 number, since 2×1072123694902 (a number of 23 digits) contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (107212369493) 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, 406181 + ... + 615960.
Almost surely, 2107212369490 is an apocalyptic number.
107212369490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
107212369490 is a deficient number, since it is larger than the sum of its proper divisors (97453167454).
107212369490 is a wasteful number, since it uses less digits than its factorization.
107212369490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1022782.
The product of its (nonzero) digits is 163296, while the sum is 44.
The spelling of 107212369490 in words is "one hundred seven billion, two hundred twelve million, three hundred sixty-nine thousand, four hundred ninety".
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