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20848170512 = 2413472132587
BaseRepresentation
bin10011011010101001…
…011101011000010000
31222210221111210110102
4103122221131120100
5320144112424022
613324424351532
71335431345141
oct233251353020
958727453412
1020848170512
118929281094
12405a0155a8
131c73325290
14101abcdac8
1582045aa92
hex4daa5d610

20848170512 has 40 divisors (see below), whose sum is σ = 44426073216. Its totient is φ = 9417499776.

The previous prime is 20848170493. The next prime is 20848170583. The reversal of 20848170512 is 21507184802.

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, 1056518 + ... + 1076069.

Almost surely, 220848170512 is an apocalyptic number.

It is an amenable number.

20848170512 is an abundant number, since it is smaller than the sum of its proper divisors (23577902704).

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

20848170512 is a wasteful number, since it uses less digits than its factorization.

20848170512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132655 (or 2132649 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The spelling of 20848170512 in words is "twenty billion, eight hundred forty-eight million, one hundred seventy thousand, five hundred twelve".

Divisors: 1 2 4 8 13 16 26 47 52 94 104 188 208 376 611 752 1222 2444 4888 9776 2132587 4265174 8530348 17060696 27723631 34121392 55447262 100231589 110894524 200463178 221789048 400926356 443578096 801852712 1303010657 1603705424 2606021314 5212042628 10424085256 20848170512