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2661341260 = 225139957317
BaseRepresentation
bin1001111010100000…
…1101100001001100
320212110210010212211
42132220031201030
520422300410020
61120025440204
7122644012264
oct23650154114
96773703784
102661341260
111146292096
12623340064
1333549c556
141b364c7a4
1510899a85a
hex9ea0d84c

2661341260 has 24 divisors (see below), whose sum is σ = 5629029840. Its totient is φ = 1056876864.

The previous prime is 2661341257. The next prime is 2661341273. The reversal of 2661341260 is 621431662.

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, 475879 + ... + 481438.

It is an arithmetic number, because the mean of its divisors is an integer number (234542910).

Almost surely, 22661341260 is an apocalyptic number.

2661341260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2661341260 is an abundant number, since it is smaller than the sum of its proper divisors (2967688580).

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

2661341260 is a wasteful number, since it uses less digits than its factorization.

2661341260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957465 (or 957463 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2661341260 is about 51588.1891521693. The cubic root of 2661341260 is about 1385.7988258399.

The spelling of 2661341260 in words is "two billion, six hundred sixty-one million, three hundred forty-one thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 957317 1914634 3829268 4786585 9573170 19146340 133067063 266134126 532268252 665335315 1330670630 2661341260