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2087115260 = 225731429531
BaseRepresentation
bin111110001100110…
…1101100111111100
312101110021102220012
41330121231213330
513233300142020
6543034042352
7102502121066
oct17431554774
95343242805
102087115260
1198113864a
124a2b793b8
13273529259
1415b294736
15c336e7c5
hex7c66d9fc

2087115260 has 24 divisors (see below), whose sum is σ = 4442985456. Its totient is φ = 823409280.

The previous prime is 2087115259. The next prime is 2087115281. The reversal of 2087115260 is 625117802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713306 + ... + 716225.

It is an arithmetic number, because the mean of its divisors is an integer number (185124394).

Almost surely, 22087115260 is an apocalyptic number.

2087115260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2087115260 is an abundant number, since it is smaller than the sum of its proper divisors (2355870196).

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

2087115260 is a wasteful number, since it uses less digits than its factorization.

2087115260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429613 (or 1429611 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 2087115260 is about 45684.9566049920. The cubic root of 2087115260 is about 1277.9547537662.

The spelling of 2087115260 in words is "two billion, eighty-seven million, one hundred fifteen thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 1429531 2859062 5718124 7147655 14295310 28590620 104355763 208711526 417423052 521778815 1043557630 2087115260