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90530068872 = 2333772086203
BaseRepresentation
bin101010001010000000…
…0110011100110001000
322122200012021222220210
41110110000303212020
52440401144200442
6105331113321120
76353263613565
oct1242400634610
9278605258823
1090530068872
1135436955741
12156664061a0
1386c98a47b9
14454b47d86c
15254cb8419c
hex1514033988

90530068872 has 16 divisors (see below), whose sum is σ = 226325172240. Its totient is φ = 30176689616.

The previous prime is 90530068813. The next prime is 90530068933. The reversal of 90530068872 is 27886003509.

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, 1886043078 + ... + 1886043125.

It is an arithmetic number, because the mean of its divisors is an integer number (14145323265).

Almost surely, 290530068872 is an apocalyptic number.

It is an amenable number.

90530068872 is an abundant number, since it is smaller than the sum of its proper divisors (135795103368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90530068872 is a wasteful number, since it uses less digits than its factorization.

90530068872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772086212 (or 3772086208 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 90530068872 in words is "ninety billion, five hundred thirty million, sixty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 3772086203 7544172406 11316258609 15088344812 22632517218 30176689624 45265034436 90530068872