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2530006261 = 71211281601
BaseRepresentation
bin1001011011001100…
…1101010011110101
320112022122122010121
42112303031103311
520140140200021
61055014451541
7116460461356
oct22663152365
96468578117
102530006261
111089139172
125a7363bb1
13314207233
141a0021d2d
15ec1a6741
hex96ccd4f5

2530006261 has 16 divisors (see below), whose sum is σ = 2591277696. Its totient is φ = 2469600000.

The previous prime is 2530006253. The next prime is 2530006273. The reversal of 2530006261 is 1626000352.

It is a cyclic number.

It is not a de Polignac number, because 2530006261 - 23 = 2530006253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530006211) 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, 4209361 + ... + 4209961.

It is an arithmetic number, because the mean of its divisors is an integer number (161954856).

Almost surely, 22530006261 is an apocalyptic number.

It is an amenable number.

2530006261 is a deficient number, since it is larger than the sum of its proper divisors (61271435).

2530006261 is a wasteful number, since it uses less digits than its factorization.

2530006261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2530006261 is about 50299.1675974861. The cubic root of 2530006261 is about 1362.6171958333.

The spelling of 2530006261 in words is "two billion, five hundred thirty million, six thousand, two hundred sixty-one".

Divisors: 1 71 211 281 601 14981 19951 42671 59291 126811 168881 4209661 9003581 11990551 35633891 2530006261