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20318004896 = 25797935107
BaseRepresentation
bin10010111011000011…
…000010011010100000
31221102222220120221212
4102323003002122200
5313102402124041
613200045205252
71316333122610
oct227303023240
957388816855
1020318004896
118686a90892
123b30560828
131bba53aa07
14daa624a40
157ddb348eb
hex4bb0c26a0

20318004896 has 48 divisors (see below), whose sum is σ = 46186854336. Its totient is φ = 8617936896.

The previous prime is 20318004857. The next prime is 20318004907. The reversal of 20318004896 is 69840081302.

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, 445826 + ... + 489281.

It is an arithmetic number, because the mean of its divisors is an integer number (962226132).

Almost surely, 220318004896 is an apocalyptic number.

It is an amenable number.

20318004896 is an abundant number, since it is smaller than the sum of its proper divisors (25868849440).

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

20318004896 is an equidigital number, since it uses as much as digits as its factorization.

20318004896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935221 (or 935213 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 20318004896 in words is "twenty billion, three hundred eighteen million, four thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 97 112 194 224 388 679 776 1358 1552 2716 3104 5432 10864 21728 935107 1870214 3740428 6545749 7480856 13091498 14961712 26182996 29923424 52365992 90705379 104731984 181410758 209463968 362821516 634937653 725643032 1269875306 1451286064 2539750612 2902572128 5079501224 10159002448 20318004896