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2116575108 = 223258793753
BaseRepresentation
bin111111000101000…
…0101111110000100
312110111201011012200
41332022011332010
513313320400413
6550005314500
7103310406624
oct17612057604
95414634180
102116575108
1199682a22a
124b0a05a30
1327967240b
14161162884
15c5c3d573
hex7e285f84

2116575108 has 18 divisors (see below), whose sum is σ = 5350231614. Its totient is φ = 705525024.

The previous prime is 2116575079. The next prime is 2116575113. The reversal of 2116575108 is 8015756112.

2116575108 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1593446724 + 523128384 = 39918^2 + 22872^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 58793753 = 2116575108 / (2 + 1 + 1 + 6 + 5 + 7 + 5 + 1 + 0 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29396841 + ... + 29396912.

Almost surely, 22116575108 is an apocalyptic number.

It is an amenable number.

2116575108 is an abundant number, since it is smaller than the sum of its proper divisors (3233656506).

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

2116575108 is a wasteful number, since it uses less digits than its factorization.

2116575108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58793763 (or 58793758 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 36.

The square root of 2116575108 is about 46006.2507492189. The cubic root of 2116575108 is about 1283.9395042392.

The spelling of 2116575108 in words is "two billion, one hundred sixteen million, five hundred seventy-five thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 58793753 117587506 176381259 235175012 352762518 529143777 705525036 1058287554 2116575108