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20152603361 = 112330750363
BaseRepresentation
bin10010110001001100…
…000101001011100001
31221000110200022201002
4102301030011023201
5312233031301421
613131420121345
71312254205442
oct226114051341
957013608632
1020152603361
11860168a200
123aa5096255
131b921a8797
14d9268b2c9
157ce361b0b
hex4b13052e1

20152603361 has 12 divisors (see below), whose sum is σ = 22158346896. Its totient is φ = 18314644920.

The previous prime is 20152603337. The next prime is 20152603423. The reversal of 20152603361 is 16330625102.

It is not a de Polignac number, because 20152603361 - 226 = 20085494497 is a prime.

It is a super-2 number, since 2×201526033612 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20152603561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374966 + ... + 425328.

It is an arithmetic number, because the mean of its divisors is an integer number (1846528908).

Almost surely, 220152603361 is an apocalyptic number.

It is an amenable number.

20152603361 is a deficient number, since it is larger than the sum of its proper divisors (2005743535).

20152603361 is a wasteful number, since it uses less digits than its factorization.

20152603361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53692 (or 53681 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 20152603361 in words is "twenty billion, one hundred fifty-two million, six hundred three thousand, three hundred sixty-one".

Divisors: 1 11 121 3307 36377 50363 400147 553993 6093923 166550441 1832054851 20152603361