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142144143198 = 23531812469581
BaseRepresentation
bin1000010001100001110…
…0110111111101011110
3111120220021021122021020
42010120130313331132
54312102400040243
6145144454145010
713161315165441
oct2043034677536
9446807248236
10142144143198
1155312732712
122366b952166
1310533b67495
146c462c9658
153a6e0a8283
hex2118737f5e

142144143198 has 32 divisors (see below), whose sum is σ = 291252622752. Its totient is φ = 46230537600.

The previous prime is 142144143181. The next prime is 142144143227. The reversal of 142144143198 is 891341441241.

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, 1177233 + ... + 1292348.

It is an arithmetic number, because the mean of its divisors is an integer number (9101644461).

Almost surely, 2142144143198 is an apocalyptic number.

142144143198 is an abundant number, since it is smaller than the sum of its proper divisors (149108479554).

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

142144143198 is a wasteful number, since it uses less digits than its factorization.

142144143198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469820.

The product of its digits is 110592, while the sum is 42.

The spelling of 142144143198 in words is "one hundred forty-two billion, one hundred forty-four million, one hundred forty-three thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 53 106 159 181 318 362 543 1086 9593 19186 28779 57558 2469581 4939162 7408743 14817486 130887793 261775586 392663379 446994161 785326758 893988322 1340982483 2681964966 23690690533 47381381066 71072071599 142144143198