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5207680260 = 2232528931557
BaseRepresentation
bin1001101100110011…
…01110010100000100
3111102221011120022200
410312121232110010
541131131232020
62220430354500
7243023360166
oct46631562404
914387146280
105207680260
112232666292
12101405ba30
1364cba4913
143758c2936
152072cb590
hex13666e504

5207680260 has 36 divisors (see below), whose sum is σ = 15796630668. Its totient is φ = 1388714688.

The previous prime is 5207680241. The next prime is 5207680271. The reversal of 5207680260 is 620867025.

5207680260 is a `hidden beast` number, since 520 + 76 + 8 + 0 + 2 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2094709824 + 3112970436 = 45768^2 + 55794^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14465599 + ... + 14465958.

Almost surely, 25207680260 is an apocalyptic number.

It is an amenable number.

5207680260 is an abundant number, since it is smaller than the sum of its proper divisors (10588950408).

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

5207680260 is a wasteful number, since it uses less digits than its factorization.

5207680260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28931572 (or 28931567 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 5207680260 is about 72164.2588820810. The cubic root of 5207680260 is about 1733.3307323268.

The spelling of 5207680260 in words is "five billion, two hundred seven million, six hundred eighty thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 28931557 57863114 86794671 115726228 144657785 173589342 260384013 289315570 347178684 433973355 520768026 578631140 867946710 1041536052 1301920065 1735893420 2603840130 5207680260