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100680965 = 5711261509
BaseRepresentation
bin1100000000001…
…00010100000101
321000110010022122
412000010110011
5201233242330
613553535325
72331526340
oct600042405
9230403278
10100680965
1151917110
1229874545
1317b21748
14d52b457
158c8b5e5
hex6004505

100680965 has 16 divisors (see below), whose sum is σ = 150629760. Its totient is φ = 62761920.

The previous prime is 100680947. The next prime is 100680989. The reversal of 100680965 is 569086001.

It is a de Polignac number, because none of the positive numbers 2k-100680965 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130370 + ... + 131139.

It is an arithmetic number, because the mean of its divisors is an integer number (9414360).

Almost surely, 2100680965 is an apocalyptic number.

It is an amenable number.

100680965 is a deficient number, since it is larger than the sum of its proper divisors (49948795).

100680965 is a wasteful number, since it uses less digits than its factorization.

100680965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261532.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 100680965 is about 10033.9904823555. The cubic root of 100680965 is about 465.2100873627.

The spelling of 100680965 in words is "one hundred million, six hundred eighty thousand, nine hundred sixty-five".

Divisors: 1 5 7 11 35 55 77 385 261509 1307545 1830563 2876599 9152815 14382995 20136193 100680965