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90493107995 = 5137132106727
BaseRepresentation
bin101010001000111001…
…1110011111100011011
322122120121202012010102
41110101303303330123
52440312213423440
6105323313210015
76352334504123
oct1242163637433
9278517665112
1090493107995
1135418000464
1215655b6090b
1386c2033364
1445465bbc83
1525497d2b15
hex1511cf3f1b

90493107995 has 8 divisors (see below), whose sum is σ = 109384370784. Its totient is φ = 71866058944.

The previous prime is 90493107961. The next prime is 90493108037. The reversal of 90493107995 is 59970139409.

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 90493107995 - 228 = 90224672539 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 90493107995.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66052679 + ... + 66054048.

It is an arithmetic number, because the mean of its divisors is an integer number (13673046348).

Almost surely, 290493107995 is an apocalyptic number.

90493107995 is a deficient number, since it is larger than the sum of its proper divisors (18891262789).

90493107995 is a wasteful number, since it uses less digits than its factorization.

90493107995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132106869.

The product of its (nonzero) digits is 2755620, while the sum is 56.

The spelling of 90493107995 in words is "ninety billion, four hundred ninety-three million, one hundred seven thousand, nine hundred ninety-five".

Divisors: 1 5 137 685 132106727 660533635 18098621599 90493107995