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2116157052 = 223176346421
BaseRepresentation
bin111111000100001…
…1111111001111100
312110110220220202010
41332020133321330
513313214011202
6545552331220
7103304016042
oct17610377174
95413826663
102116157052
11996574129
124b0843b10
13279557049
14161094392
15c5ba976c
hex7e21fe7c

2116157052 has 12 divisors (see below), whose sum is σ = 4937699816. Its totient is φ = 705385680.

The previous prime is 2116157051. The next prime is 2116157063. The reversal of 2116157052 is 2507516112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116157051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88173199 + ... + 88173222.

Almost surely, 22116157052 is an apocalyptic number.

It is an amenable number.

2116157052 is an abundant number, since it is smaller than the sum of its proper divisors (2821542764).

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

2116157052 is a wasteful number, since it uses less digits than its factorization.

2116157052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176346428 (or 176346426 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 2116157052 is about 46001.7070552822. The cubic root of 2116157052 is about 1283.8549661011.

The spelling of 2116157052 in words is "two billion, one hundred sixteen million, one hundred fifty-seven thousand, fifty-two".

Divisors: 1 2 3 4 6 12 176346421 352692842 529039263 705385684 1058078526 2116157052