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2492650261 = 195323910357
BaseRepresentation
bin1001010010010010…
…1101001100010101
320102201100202100001
42110210231030111
520101104302021
61051202051301
7115525114633
oct22444551425
96381322301
102492650261
11106a044042
12596949b31
13309557caa
1419909a353
15e8c78091
hex9492d315

2492650261 has 16 divisors (see below), whose sum is σ = 2684793600. Its totient is φ = 2306985408.

The previous prime is 2492650243. The next prime is 2492650267. The reversal of 2492650261 is 1620562942.

It is a cyclic number.

It is not a de Polignac number, because 2492650261 - 25 = 2492650229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2492650261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492650267) 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, 235495 + ... + 245851.

It is an arithmetic number, because the mean of its divisors is an integer number (167799600).

Almost surely, 22492650261 is an apocalyptic number.

It is an amenable number.

2492650261 is a deficient number, since it is larger than the sum of its proper divisors (192143339).

2492650261 is a wasteful number, since it uses less digits than its factorization.

2492650261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10668.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 2492650261 is about 49926.4485117858. The cubic root of 2492650261 is about 1355.8774853925.

The spelling of 2492650261 in words is "two billion, four hundred ninety-two million, six hundred fifty thousand, two hundred sixty-one".

Divisors: 1 19 53 239 1007 4541 10357 12667 196783 240673 548921 2475323 10429499 47031137 131192119 2492650261