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142101503502 = 23717328796793
BaseRepresentation
bin1000010001010111101…
…0001101111000001110
3111120210022001022121020
42010111322031320032
54312010441103002
6145140332215010
713160256564450
oct2042572157016
9446708038536
10142101503502
11552a06598a2
122365960a466
13105280882aa
146c4078a2d0
153a6a4842bc
hex2115e8de0e

142101503502 has 64 divisors (see below), whose sum is σ = 326842490880. Its totient is φ = 40345784064.

The previous prime is 142101503491. The next prime is 142101503503. The reversal of 142101503502 is 205305101241.

It is a happy number.

142101503502 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142101503503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20915418 + ... + 20922210.

It is an arithmetic number, because the mean of its divisors is an integer number (5106913920).

Almost surely, 2142101503502 is an apocalyptic number.

142101503502 is an abundant number, since it is smaller than the sum of its proper divisors (184740987378).

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

142101503502 is a wasteful number, since it uses less digits than its factorization.

142101503502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9857.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 142101503502 its reverse (205305101241), we get a palindrome (347406604743).

The spelling of 142101503502 in words is "one hundred forty-two billion, one hundred one million, five hundred three thousand, five hundred two".

Divisors: 1 2 3 6 7 14 21 42 173 346 519 1038 1211 2422 2879 3633 5758 6793 7266 8637 13586 17274 20153 20379 40306 40758 47551 60459 95102 120918 142653 285306 498067 996134 1175189 1494201 2350378 2988402 3486469 3525567 6972938 7051134 8226323 10459407 16452646 19557047 20918814 24678969 39114094 49357938 58671141 117342282 136899329 273798658 410697987 821395974 3383369131 6766738262 10150107393 20300214786 23683583917 47367167834 71050751751 142101503502