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5181103660 = 225259055183
BaseRepresentation
bin1001101001101000…
…10101111000101100
3111101002011100002011
410310310111320230
541102330304120
62214041011004
7242251440325
oct46464257054
914332140064
105181103660
112219663957
121007183a64
1364752ac15
1437216544c
15204ccbc5a
hex134d15e2c

5181103660 has 12 divisors (see below), whose sum is σ = 10880317728. Its totient is φ = 2072441456.

The previous prime is 5181103657. The next prime is 5181103667. The reversal of 5181103660 is 663011815.

It is not an unprimeable number, because it can be changed into a prime (5181103667) 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, 129527572 + ... + 129527611.

It is an arithmetic number, because the mean of its divisors is an integer number (906693144).

Almost surely, 25181103660 is an apocalyptic number.

It is an amenable number.

5181103660 is an abundant number, since it is smaller than the sum of its proper divisors (5699214068).

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

5181103660 is a wasteful number, since it uses less digits than its factorization.

5181103660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259055192 (or 259055190 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 5181103660 is about 71979.8837176054. The cubic root of 5181103660 is about 1730.3771060267.

The spelling of 5181103660 in words is "five billion, one hundred eighty-one million, one hundred three thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 259055183 518110366 1036220732 1295275915 2590551830 5181103660