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2142563396 = 222292123369
BaseRepresentation
bin111111110110100…
…1110110001000100
312112022121111102212
41333231032301010
513341444012041
6552334322552
7104044326341
oct17755166104
95468544385
102142563396
119aa46a656
124b9659458
13281b713bc
141647a97c8
15c81738eb
hex7fb4ec44

2142563396 has 12 divisors (see below), whose sum is σ = 3749809980. Its totient is φ = 1071189120.

The previous prime is 2142563393. The next prime is 2142563429. The reversal of 2142563396 is 6933652412.

It can be written as a sum of positive squares in 2 ways, for example, as 585156100 + 1557407296 = 24190^2 + 39464^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2142563393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80000 + ... + 103368.

It is an arithmetic number, because the mean of its divisors is an integer number (312484165).

Almost surely, 22142563396 is an apocalyptic number.

It is an amenable number.

2142563396 is a deficient number, since it is larger than the sum of its proper divisors (1607246584).

2142563396 is a wasteful number, since it uses less digits than its factorization.

2142563396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46294 (or 46292 counting only the distinct ones).

The product of its digits is 233280, while the sum is 41.

The square root of 2142563396 is about 46287.8320511989. The cubic root of 2142563396 is about 1289.1730765880.

The spelling of 2142563396 in words is "two billion, one hundred forty-two million, five hundred sixty-three thousand, three hundred ninety-six".

Divisors: 1 2 4 22921 23369 45842 46738 91684 93476 535640849 1071281698 2142563396