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2660243404 = 227137308361
BaseRepresentation
bin1001111010010000…
…0001011111001100
320212101201100220111
42132210001133030
520422010242104
61115550125404
7122631460450
oct23644013714
96771640814
102660243404
111145702275
12622ab0864
133351a6930
141b3444660
15108830404
hex9e9017cc

2660243404 has 24 divisors (see below), whose sum is σ = 5729755808. Its totient is φ = 1052403840.

The previous prime is 2660243357. The next prime is 2660243437. The reversal of 2660243404 is 4043420662.

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, 3653817 + ... + 3654544.

Almost surely, 22660243404 is an apocalyptic number.

It is an amenable number.

2660243404 is an abundant number, since it is smaller than the sum of its proper divisors (3069512404).

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

2660243404 is a wasteful number, since it uses less digits than its factorization.

2660243404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7308385 (or 7308383 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 2660243404 is about 51577.5474794993. The cubic root of 2660243404 is about 1385.6082431401.

The spelling of 2660243404 in words is "two billion, six hundred sixty million, two hundred forty-three thousand, four hundred four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 7308361 14616722 29233444 51158527 95008693 102317054 190017386 204634108 380034772 665060851 1330121702 2660243404