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100072130 = 2514716803
BaseRepresentation
bin1011111011011…
…11101011000010
320222022012011012
411331233223002
5201104302010
613532520522
72323412324
oct575575302
9228265135
10100072130
1151540744
1229620142
131796a5a2
14d40d614
158bbb005
hex5f6fac2

100072130 has 16 divisors (see below), whose sum is σ = 180278784. Its totient is φ = 39995760.

The previous prime is 100072129. The next prime is 100072151. The reversal of 100072130 is 31270001.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11309 + ... + 18111.

It is an arithmetic number, because the mean of its divisors is an integer number (11267424).

Almost surely, 2100072130 is an apocalyptic number.

100072130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100072130 is a deficient number, since it is larger than the sum of its proper divisors (80206654).

100072130 is a wasteful number, since it uses less digits than its factorization.

100072130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 100072130 is about 10003.6058498923. The cubic root of 100072130 is about 464.2704558074.

The spelling of 100072130 in words is "one hundred million, seventy-two thousand, one hundred thirty".

Divisors: 1 2 5 10 1471 2942 6803 7355 13606 14710 34015 68030 10007213 20014426 50036065 100072130