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90855875083 = 233938843897
BaseRepresentation
bin101010010011101101…
…1101010001000001011
322200111220100200000111
41110213123222020023
52442033101000313
6105423312415151
76364331124121
oct1244733521013
9280456320014
1090855875083
1135593855776
12157375474b7
13874c23973c
14457c84d911
15256b58e43d
hex15276ea20b

90855875083 has 4 divisors (see below), whose sum is σ = 90894721320. Its totient is φ = 90817028848.

The previous prime is 90855875041. The next prime is 90855875107. The reversal of 90855875083 is 38057855809.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-90855875083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90855875023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19419610 + ... + 19424287.

It is an arithmetic number, because the mean of its divisors is an integer number (22723680330).

Almost surely, 290855875083 is an apocalyptic number.

90855875083 is a deficient number, since it is larger than the sum of its proper divisors (38846237).

90855875083 is a wasteful number, since it uses less digits than its factorization.

90855875083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38846236.

The product of its (nonzero) digits is 12096000, while the sum is 58.

The spelling of 90855875083 in words is "ninety billion, eight hundred fifty-five million, eight hundred seventy-five thousand, eighty-three".

Divisors: 1 2339 38843897 90855875083