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2132494780 = 225138201903
BaseRepresentation
bin111111100011011…
…0100100110111100
312111121122221220011
41333012310212330
513331404313110
6551334433004
7103562622643
oct17706644674
95447587804
102132494780
119a4812989
124b6202764
1327ca57540
1416330835a
15c733548a
hex7f1b49bc

2132494780 has 24 divisors (see below), whose sum is σ = 4822719552. Its totient is φ = 787382592.

The previous prime is 2132494769. The next prime is 2132494781. The reversal of 2132494780 is 874942312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132494781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4100692 + ... + 4101211.

It is an arithmetic number, because the mean of its divisors is an integer number (200946648).

Almost surely, 22132494780 is an apocalyptic number.

2132494780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132494780 is an abundant number, since it is smaller than the sum of its proper divisors (2690224772).

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

2132494780 is a wasteful number, since it uses less digits than its factorization.

2132494780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201925 (or 8201923 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2132494780 is about 46178.9430368431. The cubic root of 2132494780 is about 1287.1504877150.

The spelling of 2132494780 in words is "two billion, one hundred thirty-two million, four hundred ninety-four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 8201903 16403806 32807612 41009515 82019030 106624739 164038060 213249478 426498956 533123695 1066247390 2132494780