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2681469492 = 2231353324319
BaseRepresentation
bin1001111111010011…
…1111101000110100
320220212122202121220
42133310333220310
520442424010432
61122025110340
7123310054212
oct23764775064
96825582556
102681469492
11115668a799
1262a0283b0
133396c9150
141b61abcb2
1510a62472c
hex9fd3fa34

2681469492 has 48 divisors (see below), whose sum is σ = 6865205760. Its totient is φ = 809497728.

The previous prime is 2681469481. The next prime is 2681469499. The reversal of 2681469492 is 2949641862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681469499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153892 + ... + 170427.

It is an arithmetic number, because the mean of its divisors is an integer number (143025120).

Almost surely, 22681469492 is an apocalyptic number.

It is an amenable number.

2681469492 is an abundant number, since it is smaller than the sum of its proper divisors (4183736268).

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

2681469492 is a wasteful number, since it uses less digits than its factorization.

2681469492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324392 (or 324390 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 2681469492 is about 51782.9073343705. The cubic root of 2681469492 is about 1389.2837418785.

The spelling of 2681469492 in words is "two billion, six hundred eighty-one million, four hundred sixty-nine thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 53 78 106 156 159 212 318 636 689 1378 2067 2756 4134 8268 324319 648638 972957 1297276 1945914 3891828 4216147 8432294 12648441 16864588 17188907 25296882 34377814 50593764 51566721 68755628 103133442 206266884 223455791 446911582 670367373 893823164 1340734746 2681469492