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100016680 = 2352500417
BaseRepresentation
bin1011111011000…
…10001000101000
320222012101002111
411331202020220
5201101013210
613531412104
72323061551
oct575421050
9228171074
10100016680
1151503015
12295b4034
131794b28a
14d3d7328
158ba988a
hex5f62228

100016680 has 16 divisors (see below), whose sum is σ = 225037620. Its totient is φ = 40006656.

The previous prime is 100016677. The next prime is 100016689. The reversal of 100016680 is 86610001.

It can be written as a sum of positive squares in 2 ways, for example, as 94361796 + 5654884 = 9714^2 + 2378^2 .

It is not an unprimeable number, because it can be changed into a prime (100016689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250169 + ... + 1250248.

Almost surely, 2100016680 is an apocalyptic number.

100016680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100016680 is an abundant number, since it is smaller than the sum of its proper divisors (125020940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100016680 is a wasteful number, since it uses less digits than its factorization.

100016680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500428 (or 2500424 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 100016680 is about 10000.8339652251. The cubic root of 100016680 is about 464.1846891604.

Adding to 100016680 its reverse (86610001), we get a palindrome (186626681).

The spelling of 100016680 in words is "one hundred million, sixteen thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 2500417 5000834 10001668 12502085 20003336 25004170 50008340 100016680