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2141444660 = 225313453943
BaseRepresentation
bin111111110100011…
…1101101000110100
312112020111122211012
41333220331220310
513341202212120
6552254331352
7104031656615
oct17750755064
95466448735
102141444660
119a9876083
124b91b9b58
1328186c124
14164597c0c
15c80021c5
hex7fa3da34

2141444660 has 24 divisors (see below), whose sum is σ = 4642100736. Its totient is φ = 828946080.

The previous prime is 2141444659. The next prime is 2141444681. The reversal of 2141444660 is 664441412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1726352 + ... + 1727591.

It is an arithmetic number, because the mean of its divisors is an integer number (193420864).

Almost surely, 22141444660 is an apocalyptic number.

2141444660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141444660 is an abundant number, since it is smaller than the sum of its proper divisors (2500656076).

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

2141444660 is a wasteful number, since it uses less digits than its factorization.

2141444660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453983 (or 3453981 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 2141444660 is about 46275.7459151119. The cubic root of 2141444660 is about 1288.9486576469.

The spelling of 2141444660 in words is "two billion, one hundred forty-one million, four hundred forty-four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 3453943 6907886 13815772 17269715 34539430 69078860 107072233 214144466 428288932 535361165 1070722330 2141444660