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90239954976269 = 7229449125377327
BaseRepresentation
bin10100100001001010100000…
…011101011111111000001101
3102211111212002121201001111122
4110201022200131133320031
543311442411433220034
6515531355113330325
725002423131232140
oct2441124035377015
9384455077631448
1090239954976269
11268316060403aa
12a1551364069a5
133b4778bc56aa7
14183d8cc3b2057
15a6753589262e
hex5212a075fe0d

90239954976269 has 16 divisors (see below), whose sum is σ = 103812427584000. Its totient is φ = 76839249521664.

The previous prime is 90239954976263. The next prime is 90239954976289. The reversal of 90239954976269 is 96267945993209.

It is not a de Polignac number, because 90239954976269 - 24 = 90239954976253 is a prime.

It is a super-2 number, since 2×902399549762692 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90239954976193 and 90239954976202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90239954976263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61968917 + ... + 63408410.

It is an arithmetic number, because the mean of its divisors is an integer number (6488276724000).

Almost surely, 290239954976269 is an apocalyptic number.

It is an amenable number.

90239954976269 is a deficient number, since it is larger than the sum of its proper divisors (13572472607731).

90239954976269 is a wasteful number, since it uses less digits than its factorization.

90239954976269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125378012.

The product of its (nonzero) digits is 3571283520, while the sum is 80.

The spelling of 90239954976269 in words is "ninety trillion, two hundred thirty-nine billion, nine hundred fifty-four million, nine hundred seventy-six thousand, two hundred sixty-nine".

Divisors: 1 7 229 449 1603 3143 102821 719747 125377327 877641289 28711407883 56294419823 200979855181 394060938761 12891422139467 90239954976269