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90370385200 = 2452225925963
BaseRepresentation
bin101010000101001111…
…1101010010100110000
322122021001211020002201
41110022133222110300
52440034304311300
6105303210552544
76346314412534
oct1241237522460
9278231736081
1090370385200
11353647a9a67
1215620a38754
1386a2795014
144534193bc4
15253db4066a
hex150a7ea530

90370385200 has 30 divisors (see below), whose sum is σ = 217114851404. Its totient is φ = 36148153920.

The previous prime is 90370385107. The next prime is 90370385219. The reversal of 90370385200 is 258307309.

It is a self number, because there is not a number n which added to its sum of digits gives 90370385200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112962582 + ... + 112963381.

Almost surely, 290370385200 is an apocalyptic number.

It is an amenable number.

90370385200 is an abundant number, since it is smaller than the sum of its proper divisors (126744466204).

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

90370385200 is a wasteful number, since it uses less digits than its factorization.

90370385200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225925981 (or 225925970 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 90370385200 in words is "ninety billion, three hundred seventy million, three hundred eighty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 225925963 451851926 903703852 1129629815 1807407704 2259259630 3614815408 4518519260 5648149075 9037038520 11296298150 18074077040 22592596300 45185192600 90370385200