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100928382821 = 745731549979
BaseRepresentation
bin101110111111111001…
…1001110011101100101
3100122111212120002001122
41131333303032131211
53123200131222241
6114211005303325
710202046045650
oct1357763163545
9318455502048
10100928382821
1139892493932
1217688864b45
139695c62ca6
144c56488897
15295a9c104b
hex177fcce765

100928382821 has 8 divisors (see below), whose sum is σ = 115599126720. Its totient is φ = 86320739808.

The previous prime is 100928382787. The next prime is 100928382887. The reversal of 100928382821 is 128283829001.

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

It is a cyclic number.

It is not a de Polignac number, because 100928382821 - 210 = 100928381797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100928382521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15771791 + ... + 15778188.

It is an arithmetic number, because the mean of its divisors is an integer number (14449890840).

Almost surely, 2100928382821 is an apocalyptic number.

It is an amenable number.

100928382821 is a deficient number, since it is larger than the sum of its proper divisors (14670743899).

100928382821 is an equidigital number, since it uses as much as digits as its factorization.

100928382821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31550443.

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 100928382821 in words is "one hundred billion, nine hundred twenty-eight million, three hundred eighty-two thousand, eight hundred twenty-one".

Divisors: 1 7 457 3199 31549979 220849853 14418340403 100928382821