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20483009730 = 233575862999
BaseRepresentation
bin10011000100111000…
…011110110011000010
31221212111101201001000
4103010320132303002
5313422122302410
613224301552430
71323405465351
oct230470366302
957774351030
1020483009730
118761141417
123b77875716
131c15791501
14dc44d7998
157ed379dc0
hex4c4e1ecc2

20483009730 has 32 divisors (see below), whose sum is σ = 54621360000. Its totient is φ = 5462135856.

The previous prime is 20483009683. The next prime is 20483009731. The reversal of 20483009730 is 3790038402.

It is not an unprimeable number, because it can be changed into a prime (20483009731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37931230 + ... + 37931769.

It is an arithmetic number, because the mean of its divisors is an integer number (1706917500).

Almost surely, 220483009730 is an apocalyptic number.

20483009730 is an abundant number, since it is smaller than the sum of its proper divisors (34138350270).

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

20483009730 is a wasteful number, since it uses less digits than its factorization.

20483009730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75863015 (or 75863009 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 20483009730 in words is "twenty billion, four hundred eighty-three million, nine thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 75862999 151725998 227588997 379314995 455177994 682766991 758629990 1137944985 1365533982 2048300973 2275889970 3413834955 4096601946 6827669910 10241504865 20483009730