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107212369490 = 25176171022141
BaseRepresentation
bin110001111011001011…
…0101110111001010010
3101020201210222200012122
41203312112232321102
53224032331310430
6121130325054242
710513552050542
oct1436626567122
9336653880178
10107212369490
1141517651046
1218941257382
13a157b10bb5
145290c9d322
152bc7502ee5
hex18f65aee52

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".

Divisors: 1 2 5 10 17 34 85 170 617 1234 3085 6170 10489 20978 52445 104890 1022141 2044282 5110705 10221410 17376397 34752794 86881985 173763970 630660997 1261321994 3153304985 6306609970 10721236949 21442473898 53606184745 107212369490