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100944428291 = 722976278029
BaseRepresentation
bin101111000000011000…
…0011011110100000011
3100122112222202021022022
41132000300123310003
53123213233201131
6114212341232055
710202332324520
oct1360060336403
9318488667268
10100944428291
11398a0553053
121769210262b
139699390455
144c58664147
15295c0e037b
hex1780c1bd03

100944428291 has 8 divisors (see below), whose sum is σ = 115415303520. Its totient is φ = 86486113728.

The previous prime is 100944428243. The next prime is 100944428317. The reversal of 100944428291 is 192824449001.

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

It is not a de Polignac number, because 100944428291 - 26 = 100944428227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100944428591) 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, 3122936 + ... + 3155093.

It is an arithmetic number, because the mean of its divisors is an integer number (14426912940).

Almost surely, 2100944428291 is an apocalyptic number.

100944428291 is a deficient number, since it is larger than the sum of its proper divisors (14470875229).

100944428291 is an equidigital number, since it uses as much as digits as its factorization.

100944428291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280333.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 100944428291 in words is "one hundred billion, nine hundred forty-four million, four hundred twenty-eight thousand, two hundred ninety-one".

Divisors: 1 7 2297 16079 6278029 43946203 14420632613 100944428291