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2680542546 = 2311206319687
BaseRepresentation
bin1001111111000101…
…1101010101010010
320220210220200002120
42133301131111102
520442204330141
61121553155110
7123266143563
oct23761352522
96823820076
102680542546
111156107320
1262985ba96
13339463266
141b600a16a
1510a4dec66
hex9fc5d552

2680542546 has 32 divisors (see below), whose sum is σ = 5851588608. Its totient is φ = 811850640.

The previous prime is 2680542539. The next prime is 2680542547. The reversal of 2680542546 is 6452450862.

It is a happy number.

It is a super-3 number, since 3×26805425463 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2680542498 and 2680542507.

It is not an unprimeable number, because it can be changed into a prime (2680542547) 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, 126315 + ... + 146001.

It is an arithmetic number, because the mean of its divisors is an integer number (182862144).

Almost surely, 22680542546 is an apocalyptic number.

2680542546 is an abundant number, since it is smaller than the sum of its proper divisors (3171046062).

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

2680542546 is a wasteful number, since it uses less digits than its factorization.

2680542546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21766.

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 2680542546 is about 51773.9562521544. The cubic root of 2680542546 is about 1389.1236381953.

The spelling of 2680542546 in words is "two billion, six hundred eighty million, five hundred forty-two thousand, five hundred forty-six".

Divisors: 1 2 3 6 11 22 33 66 2063 4126 6189 12378 19687 22693 39374 45386 59061 68079 118122 136158 216557 433114 649671 1299342 40614281 81228562 121842843 243685686 446757091 893514182 1340271273 2680542546