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100869691 = 13312291093
BaseRepresentation
bin1100000001100…
…10011000111011
321000210201012111
412000302120323
5201310312231
614001553151
72333243506
oct600623073
9230721174
10100869691
1151a3598a
12299457b7
1317b89610
14d57a13d
158cc74b1
hex603263b

100869691 has 16 divisors (see below), whose sum is σ = 112725760. Its totient is φ = 89631360.

The previous prime is 100869679. The next prime is 100869707. The reversal of 100869691 is 196968001.

It is not a de Polignac number, because 100869691 - 223 = 92481083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100869611) 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, 91741 + ... + 92833.

It is an arithmetic number, because the mean of its divisors is an integer number (7045360).

Almost surely, 2100869691 is an apocalyptic number.

100869691 is a deficient number, since it is larger than the sum of its proper divisors (11856069).

100869691 is a wasteful number, since it uses less digits than its factorization.

100869691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 100869691 is about 10043.3904136004. The cubic root of 100869691 is about 465.5005839742.

The spelling of 100869691 in words is "one hundred million, eight hundred sixty-nine thousand, six hundred ninety-one".

Divisors: 1 13 31 229 403 1093 2977 7099 14209 33883 92287 250297 440479 3253861 7759207 100869691