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2192631243 = 311130151071
BaseRepresentation
bin1000001010110000…
…1110010111001011
312122210211012121120
42002230032113023
513442303144433
61001323410323
7105223025625
oct20254162713
95583735546
102192631243
11a25757340
125123839a3
1328c35164a
1416b2bdc15
15cc7637b3
hex82b0e5cb

2192631243 has 16 divisors (see below), whose sum is σ = 3191795712. Its totient is φ = 1327820000.

The previous prime is 2192631227. The next prime is 2192631257. The reversal of 2192631243 is 3421362912.

It is a cyclic number.

It is not a de Polignac number, because 2192631243 - 24 = 2192631227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2192631283) 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, 17398 + ... + 68468.

It is an arithmetic number, because the mean of its divisors is an integer number (199487232).

Almost surely, 22192631243 is an apocalyptic number.

2192631243 is a deficient number, since it is larger than the sum of its proper divisors (999164469).

2192631243 is a wasteful number, since it uses less digits than its factorization.

2192631243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52386.

The product of its digits is 15552, while the sum is 33.

The square root of 2192631243 is about 46825.5404987492. The cubic root of 2192631243 is about 1299.1377404387.

The spelling of 2192631243 in words is "two billion, one hundred ninety-two million, six hundred thirty-one thousand, two hundred forty-three".

Divisors: 1 3 11 33 1301 3903 14311 42933 51071 153213 561781 1685343 66443371 199330113 730877081 2192631243