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142400254134 = 23179237155921
BaseRepresentation
bin1000010010011110110…
…1110111000010110110
3111121120010012102102110
42010213231313002312
54313113431113014
6145230123351450
713200545121525
oct2044755670266
9447503172373
10142400254134
115543425a646
1223721682586
1310574c39508
146c6c3164bc
153a867e7d59
hex2127b770b6

142400254134 has 32 divisors (see below), whose sum is σ = 286517485440. Its totient is φ = 47180822400.

The previous prime is 142400254121. The next prime is 142400254181. The reversal of 142400254134 is 431452004241.

It is a Curzon 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, 2518494 + ... + 2574414.

It is an arithmetic number, because the mean of its divisors is an integer number (8953671420).

Almost surely, 2142400254134 is an apocalyptic number.

142400254134 is an abundant number, since it is smaller than the sum of its proper divisors (144117231306).

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

142400254134 is a wasteful number, since it uses less digits than its factorization.

142400254134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58476.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 142400254134 its reverse (431452004241), we get a palindrome (573852258375).

The spelling of 142400254134 in words is "one hundred forty-two billion, four hundred million, two hundred fifty-four thousand, one hundred thirty-four".

Divisors: 1 2 3 6 179 358 537 1074 2371 4742 7113 14226 55921 111842 167763 335526 424409 848818 1273227 2546454 10009859 20019718 30029577 60059154 132588691 265177382 397766073 795532146 23733375689 47466751378 71200127067 142400254134