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203070520992 = 2535339911659
BaseRepresentation
bin1011110100011111110…
…0100011111010100000
3201102011100000022110010
42331013330203322200
511311342023132432
6233142254004520
720446163643153
oct2750774437240
9642140008403
10203070520992
1179138019059
1233433aa6740
13161c34c53c1
149b85c03c9a
155437ce83cc
hex2f47f23ea0

203070520992 has 48 divisors (see below), whose sum is σ = 543117869280. Its totient is φ = 66412998912.

The previous prime is 203070520973. The next prime is 203070521023. The reversal of 203070520992 is 299025070302.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 203070520992.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19950742 + ... + 19960917.

It is an arithmetic number, because the mean of its divisors is an integer number (11314955610).

Almost surely, 2203070520992 is an apocalyptic number.

It is an amenable number.

203070520992 is an abundant number, since it is smaller than the sum of its proper divisors (340047348288).

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

203070520992 is a wasteful number, since it uses less digits than its factorization.

203070520992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39911725 (or 39911717 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 203070520992 in words is "two hundred three billion, seventy million, five hundred twenty thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 53 96 106 159 212 318 424 636 848 1272 1696 2544 5088 39911659 79823318 119734977 159646636 239469954 319293272 478939908 638586544 957879816 1277173088 1915759632 2115317927 3831519264 4230635854 6345953781 8461271708 12691907562 16922543416 25383815124 33845086832 50767630248 67690173664 101535260496 203070520992