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2142513522 = 232119028529
BaseRepresentation
bin111111110110100…
…0010100101110010
312112022111222000200
41333231002211302
513341440413042
6552333300030
7104044031052
oct17755024562
95468458020
102142513522
119aa436136
124b9634616
13281b547a6
14164795562
15c8163c4c
hex7fb42972

2142513522 has 12 divisors (see below), whose sum is σ = 4642112670. Its totient is φ = 714171168.

The previous prime is 2142513487. The next prime is 2142513547. The reversal of 2142513522 is 2253152412.

2142513522 is a `hidden beast` number, since 2 + 142 + 513 + 5 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2021491521 + 121022001 = 44961^2 + 11001^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59514247 + ... + 59514282.

Almost surely, 22142513522 is an apocalyptic number.

2142513522 is an abundant number, since it is smaller than the sum of its proper divisors (2499599148).

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

2142513522 is a wasteful number, since it uses less digits than its factorization.

2142513522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119028537 (or 119028534 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2142513522 is about 46287.2933103676. The cubic root of 2142513522 is about 1289.1630735053.

Adding to 2142513522 its reverse (2253152412), we get a palindrome (4395665934).

The spelling of 2142513522 in words is "two billion, one hundred forty-two million, five hundred thirteen thousand, five hundred twenty-two".

Divisors: 1 2 3 6 9 18 119028529 238057058 357085587 714171174 1071256761 2142513522