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90301810436 = 2228180339689
BaseRepresentation
bin101010000011001101…
…0000100011100000100
322122002021210021012122
41110012122010130010
52434414230413221
6105252321105112
76344522503235
oct1240632043404
9278067707178
1090301810436
113532a021802
1215601a88198
138691505136
14452902308c
152537ae6eab
hex1506684704

90301810436 has 12 divisors (see below), whose sum is σ = 158590548060. Its totient is φ = 44990225280.

The previous prime is 90301810411. The next prime is 90301810471. The reversal of 90301810436 is 63401810309.

It can be written as a sum of positive squares in 2 ways, for example, as 51293190400 + 39008620036 = 226480^2 + 197506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90301810396 and 90301810405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40168721 + ... + 40170968.

It is an arithmetic number, because the mean of its divisors is an integer number (13215879005).

Almost surely, 290301810436 is an apocalyptic number.

It is an amenable number.

90301810436 is a deficient number, since it is larger than the sum of its proper divisors (68288737624).

90301810436 is a wasteful number, since it uses less digits than its factorization.

90301810436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80339974 (or 80339972 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 90301810436 in words is "ninety billion, three hundred one million, eight hundred ten thousand, four hundred thirty-six".

Divisors: 1 2 4 281 562 1124 80339689 160679378 321358756 22575452609 45150905218 90301810436