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2144603516 = 2211217260647
BaseRepresentation
bin111111111010100…
…0000110101111100
312112110110010221212
41333311000311330
513343004303031
6552450143552
7104100554246
oct17765006574
95473403855
102144603516
11a00633400
124ba281bb8
13282406b83
14164b7b096
15c842812b
hex7fd40d7c

2144603516 has 36 divisors (see below), whose sum is σ = 4367939184. Its totient is φ = 917473920.

The previous prime is 2144603507. The next prime is 2144603537. The reversal of 2144603516 is 6153064412.

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 11 ways as a sum of consecutive naturals, for example, 122096 + ... + 138551.

It is an arithmetic number, because the mean of its divisors is an integer number (121331644).

Almost surely, 22144603516 is an apocalyptic number.

It is an amenable number.

2144603516 is an abundant number, since it is smaller than the sum of its proper divisors (2223335668).

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

2144603516 is a wasteful number, since it uses less digits than its factorization.

2144603516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260690 (or 260677 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2144603516 is about 46309.8641328173. The cubic root of 2144603516 is about 1289.5821245306.

Adding to 2144603516 its reverse (6153064412), we get a palindrome (8297667928).

The spelling of 2144603516 in words is "two billion, one hundred forty-four million, six hundred three thousand, five hundred sixteen".

Divisors: 1 2 4 11 17 22 34 44 68 121 187 242 374 484 748 2057 4114 8228 260647 521294 1042588 2867117 4430999 5734234 8861998 11468468 17723996 31538287 48740989 63076574 97481978 126153148 194963956 536150879 1072301758 2144603516