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5618007081 = 325977313687
BaseRepresentation
bin1010011101101101…
…11111110000101001
3112111112021022220100
411032312333300221
543001202211311
62325245220013
7256135162251
oct51666776051
915445238810
105618007081
112423244965
121109561609
136b6bc075b
143b41b4961
1522d32ea56
hex14edbfc29

5618007081 has 24 divisors (see below), whose sum is σ = 8263719360. Its totient is φ = 3676826016.

The previous prime is 5618007067. The next prime is 5618007089. The reversal of 5618007081 is 1807008165.

It is not a de Polignac number, because 5618007081 - 210 = 5618006057 is a prime.

It is a super-2 number, since 2×56180070812 = 63124007124332281122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5618007089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403620 + ... + 417306.

It is an arithmetic number, because the mean of its divisors is an integer number (344321640).

Almost surely, 25618007081 is an apocalyptic number.

It is an amenable number.

5618007081 is a deficient number, since it is larger than the sum of its proper divisors (2645712279).

5618007081 is a wasteful number, since it uses less digits than its factorization.

5618007081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14525 (or 14522 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 5618007081 is about 74953.3660418263. The cubic root of 5618007081 is about 1777.7093668769.

The spelling of 5618007081 in words is "five billion, six hundred eighteen million, seven thousand, eighty-one".

Divisors: 1 3 9 59 177 531 773 2319 6957 13687 41061 45607 123183 136821 410463 807533 2422599 7267797 10580051 31740153 95220459 624223009 1872669027 5618007081