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2151087168 = 26311203579
BaseRepresentation
bin1000000000110110…
…1111110001000000
312112220122112212010
42000031233301000
513401134242133
6553241132520
7104206640106
oct20015576100
95486575763
102151087168
11a0426169a
1250048a140
13283867059
14165987c76
15c8ca9263
hex8036fc40

2151087168 has 28 divisors (see below), whose sum is σ = 5691418640. Its totient is φ = 717028992.

The previous prime is 2151087119. The next prime is 2151087187. The reversal of 2151087168 is 8617801512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5601598 + ... + 5601981.

Almost surely, 22151087168 is an apocalyptic number.

It is an amenable number.

2151087168 is an abundant number, since it is smaller than the sum of its proper divisors (3540331472).

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

2151087168 is a wasteful number, since it uses less digits than its factorization.

2151087168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11203594 (or 11203584 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 39.

The square root of 2151087168 is about 46379.8142298996. The cubic root of 2151087168 is about 1290.8803893470.

The spelling of 2151087168 in words is "two billion, one hundred fifty-one million, eighty-seven thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 11203579 22407158 33610737 44814316 67221474 89628632 134442948 179257264 268885896 358514528 537771792 717029056 1075543584 2151087168