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107985051 = 3288113619
BaseRepresentation
bin1100110111110…
…11100010011011
321112012012122100
412123323202123
5210121010201
614414254443
72450600136
oct633734233
9245165570
10107985051
1155a55849
12301b7423
13194ab1a5
14104ad21d
159730886
hex66fb89b

107985051 has 12 divisors (see below), whose sum is σ = 156166920. Its totient is φ = 71903040.

The previous prime is 107985049. The next prime is 107985061. The reversal of 107985051 is 150589701.

It is not a de Polignac number, because 107985051 - 21 = 107985049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 107984997 and 107985015.

It is not an unprimeable number, because it can be changed into a prime (107985011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1120 + ... + 14738.

It is an arithmetic number, because the mean of its divisors is an integer number (13013910).

Almost surely, 2107985051 is an apocalyptic number.

107985051 is a deficient number, since it is larger than the sum of its proper divisors (48181869).

107985051 is a wasteful number, since it uses less digits than its factorization.

107985051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14506 (or 14503 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The square root of 107985051 is about 10391.5855864252. The cubic root of 107985051 is about 476.1983423004.

The spelling of 107985051 in words is "one hundred seven million, nine hundred eighty-five thousand, fifty-one".

Divisors: 1 3 9 881 2643 7929 13619 40857 122571 11998339 35995017 107985051