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2143036925 = 52299073259
BaseRepresentation
bin111111110111100…
…0010010111111101
312112100111112222222
41333233002113331
513342104140200
6552352415125
7104051341031
oct17757022775
95470445888
102143036925
119aa7633a7
124b98474a5
13281ca8ab3
141648901c1
15c8218d85
hex7fbc25fd

2143036925 has 24 divisors (see below), whose sum is σ = 2752874400. Its totient is φ = 1652978880.

The previous prime is 2143036919. The next prime is 2143036979. The reversal of 2143036925 is 5296303412.

It is not a de Polignac number, because 2143036925 - 210 = 2143035901 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 655946 + ... + 659204.

It is an arithmetic number, because the mean of its divisors is an integer number (114703100).

Almost surely, 22143036925 is an apocalyptic number.

2143036925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2143036925 is a deficient number, since it is larger than the sum of its proper divisors (609837475).

2143036925 is a wasteful number, since it uses less digits than its factorization.

2143036925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205 (or 4200 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 2143036925 is about 46292.9468169828. The cubic root of 2143036925 is about 1289.2680431861.

The spelling of 2143036925 in words is "two billion, one hundred forty-three million, thirty-six thousand, nine hundred twenty-five".

Divisors: 1 5 25 29 145 725 907 3259 4535 16295 22675 26303 81475 94511 131515 472555 657575 2362775 2955913 14779565 73897825 85721477 428607385 2143036925