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104102140142 = 27111351999071
BaseRepresentation
bin110000011110011111…
…0001001100011101110
3100221201001112122122002
41200330332021203232
53201200121441032
6115453542052302
710343514406520
oct1407476114356
9327631478562
10104102140142
1140170a42770
121821371a092
139a80643ac0
145077ba1a10
152a94438862
hex183cf898ee

104102140142 has 32 divisors (see below), whose sum is σ = 209660258304. Its totient is φ = 37439330400.

The previous prime is 104102140141. The next prime is 104102140147. The reversal of 104102140142 is 241041201401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104102140141) 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, 25997534 + ... + 26001537.

It is an arithmetic number, because the mean of its divisors is an integer number (6551883072).

Almost surely, 2104102140142 is an apocalyptic number.

104102140142 is an abundant number, since it is smaller than the sum of its proper divisors (105558118162).

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

104102140142 is a wasteful number, since it uses less digits than its factorization.

104102140142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51999104.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 104102140142 its reverse (241041201401), we get a palindrome (345143341543).

The spelling of 104102140142 in words is "one hundred four billion, one hundred two million, one hundred forty thousand, one hundred forty-two".

Divisors: 1 2 7 11 13 14 22 26 77 91 143 154 182 286 1001 2002 51999071 103998142 363993497 571989781 675987923 727986994 1143979562 1351975846 4003928467 4731915461 7435867153 8007856934 9463830922 14871734306 52051070071 104102140142