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142125863 = 111091131049
BaseRepresentation
bin10000111100010…
…10101100100111
3100220102202000212
420132022230213
5242341011423
622034130035
73344023055
oct1036125447
9326382025
10142125863
11732542a0
123b72091b
13235a2b59
1414c391d5
15c726578
hex878ab27

142125863 has 16 divisors (see below), whose sum is σ = 158004000. Its totient is φ = 126766080.

The previous prime is 142125859. The next prime is 142125869. The reversal of 142125863 is 368521241.

142125863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 142125863 - 22 = 142125859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142125869) 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, 134963 + ... + 136011.

It is an arithmetic number, because the mean of its divisors is an integer number (9875250).

Almost surely, 2142125863 is an apocalyptic number.

142125863 is a deficient number, since it is larger than the sum of its proper divisors (15878137).

142125863 is a wasteful number, since it uses less digits than its factorization.

142125863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

The product of its digits is 11520, while the sum is 32.

The square root of 142125863 is about 11921.6552122597. The cubic root of 142125863 is about 521.8644400220.

The spelling of 142125863 in words is "one hundred forty-two million, one hundred twenty-five thousand, eight hundred sixty-three".

Divisors: 1 11 109 113 1049 1199 1243 11539 12317 114341 118537 135487 1257751 1303907 12920533 142125863