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2141464721 = 1117101113383
BaseRepresentation
bin111111110100100…
…0010100010010001
312112020112200100012
41333221002202101
513341203332341
6552255004305
7104032102244
oct17751024221
95466480305
102141464721
119a988a160
124b9209695
132818782b6
141645a125b
15c80080eb
hex7fa42891

2141464721 has 16 divisors (see below), whose sum is σ = 2498076288. Its totient is φ = 1814112000.

The previous prime is 2141464697. The next prime is 2141464733. The reversal of 2141464721 is 1274641412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2141464721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2141464021) 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, 37805 + ... + 75578.

It is an arithmetic number, because the mean of its divisors is an integer number (156129768).

Almost surely, 22141464721 is an apocalyptic number.

It is an amenable number.

2141464721 is a deficient number, since it is larger than the sum of its proper divisors (356611567).

2141464721 is a wasteful number, since it uses less digits than its factorization.

2141464721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113512.

The product of its digits is 10752, while the sum is 32.

The square root of 2141464721 is about 46275.9626696193. The cubic root of 2141464721 is about 1288.9526825806.

The spelling of 2141464721 in words is "two billion, one hundred forty-one million, four hundred sixty-four thousand, seven hundred twenty-one".

Divisors: 1 11 17 101 187 1111 1717 18887 113383 1247213 1927511 11451683 21202621 125968513 194678611 2141464721