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10086720987 = 37480320047
BaseRepresentation
bin10010110010011011…
…10010010111011011
3222000221221111221210
421121031302113123
5131124200032422
64344521234203
7504646466550
oct113115622733
928027844853
1010086720987
114306766852
121b56032963
13c49961a75
146b9898a27
153e07dd10c
hex2593725db

10086720987 has 8 divisors (see below), whose sum is σ = 15370241536. Its totient is φ = 5763840552.

The previous prime is 10086720983. The next prime is 10086720991. The reversal of 10086720987 is 78902768001.

It is an interprime number because it is at equal distance from previous prime (10086720983) and next prime (10086720991).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10086720987 - 22 = 10086720983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10086720983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240160003 + ... + 240160044.

It is an arithmetic number, because the mean of its divisors is an integer number (1921280192).

Almost surely, 210086720987 is an apocalyptic number.

10086720987 is a deficient number, since it is larger than the sum of its proper divisors (5283520549).

10086720987 is an equidigital number, since it uses as much as digits as its factorization.

10086720987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480320057.

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 10086720987 in words is "ten billion, eighty-six million, seven hundred twenty thousand, nine hundred eighty-seven".

Divisors: 1 3 7 21 480320047 1440960141 3362240329 10086720987