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5142142120 = 235128553553
BaseRepresentation
bin1001100100111111…
…01101110010101000
3111021100211212220011
410302133231302220
541012342021440
62210125541304
7241266325663
oct46237556250
914240755804
105142142120
1121a9672535
12bb6114834
1363c438c5b
1436ad026da
152016829ea
hex1327edca8

5142142120 has 16 divisors (see below), whose sum is σ = 11569819860. Its totient is φ = 2056856832.

The previous prime is 5142142111. The next prime is 5142142147. The reversal of 5142142120 is 212412415.

It can be written as a sum of positive squares in 2 ways, for example, as 4335695716 + 806446404 = 65846^2 + 28398^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5142142091 and 5142142100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64276737 + ... + 64276816.

Almost surely, 25142142120 is an apocalyptic number.

It is an amenable number.

5142142120 is an abundant number, since it is smaller than the sum of its proper divisors (6427677740).

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

5142142120 is a wasteful number, since it uses less digits than its factorization.

5142142120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128553564 (or 128553560 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 5142142120 is about 71708.7311280851. The cubic root of 5142142120 is about 1726.0287493751.

Adding to 5142142120 its reverse (212412415), we get a palindrome (5354554535).

The spelling of 5142142120 in words is "five billion, one hundred forty-two million, one hundred forty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 128553553 257107106 514214212 642767765 1028428424 1285535530 2571071060 5142142120