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100680007 = 257391751
BaseRepresentation
bin1100000000001…
…00000101000111
321000110002000011
412000010011013
5201233230012
613553531051
72331523501
oct600040507
9230402004
10100680007
115191641a
1229873a87
1317b2118c
14d52ad71
158c8b1a7
hex6004147

100680007 has 4 divisors (see below), whose sum is σ = 101072016. Its totient is φ = 100288000.

The previous prime is 100679989. The next prime is 100680011. The reversal of 100680007 is 700086001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700086001 = 1359151511.

It is a cyclic number.

It is not a de Polignac number, because 100680007 - 219 = 100155719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100680007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100680017) 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, 195619 + ... + 196132.

It is an arithmetic number, because the mean of its divisors is an integer number (25268004).

Almost surely, 2100680007 is an apocalyptic number.

100680007 is a deficient number, since it is larger than the sum of its proper divisors (392009).

100680007 is an equidigital number, since it uses as much as digits as its factorization.

100680007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392008.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 100680007 is about 10033.9427445048. The cubic root of 100680007 is about 465.2086118350.

The spelling of 100680007 in words is "one hundred million, six hundred eighty thousand, seven".

Divisors: 1 257 391751 100680007