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2142534430 = 251972715511
BaseRepresentation
bin111111110110100…
…0111101100011110
312112022120000201001
41333231013230132
513341442100210
6552333540514
7104044146031
oct17755075436
95468500631
102142534430
119aa44a913
124b964473a
13281b6116a
1416479d018
15c816a03a
hex7fb47b1e

2142534430 has 32 divisors (see below), whose sum is σ = 4065384960. Its totient is φ = 810738720.

The previous prime is 2142534421. The next prime is 2142534461. The reversal of 2142534430 is 344352412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130375 + ... + 145885.

It is an arithmetic number, because the mean of its divisors is an integer number (127043280).

Almost surely, 22142534430 is an apocalyptic number.

2142534430 is a deficient number, since it is larger than the sum of its proper divisors (1922850530).

2142534430 is a wasteful number, since it uses less digits than its factorization.

2142534430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16264.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2142534430 is about 46287.5191601365. The cubic root of 2142534430 is about 1289.1672669808.

Adding to 2142534430 its reverse (344352412), we get a palindrome (2486886842).

It can be divided in two parts, 21425 and 34430, that added together give a palindrome (55855).

The spelling of 2142534430 in words is "two billion, one hundred forty-two million, five hundred thirty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 727 1454 3635 7270 13813 15511 27626 31022 69065 77555 138130 155110 294709 589418 1473545 2947090 11276497 22552994 56382485 112764970 214253443 428506886 1071267215 2142534430