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142101421404 = 22338330918499
BaseRepresentation
bin1000010001010111100…
…1111001110101011100
3111120210021220010222120
42010111321321311130
54312010430441104
6145140330342540
713160256103215
oct2042571716534
9446707803876
10142101421404
11552a0603148
122365958aa50
1310528059b07
146c4076840c
153a6a469cd9
hex2115e79d5c

142101421404 has 24 divisors (see below), whose sum is σ = 332435712000. Its totient is φ = 47243464944.

The previous prime is 142101421403. The next prime is 142101421411. The reversal of 142101421404 is 404124101241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142101421403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15454654 + ... + 15463845.

It is an arithmetic number, because the mean of its divisors is an integer number (13851488000).

Almost surely, 2142101421404 is an apocalyptic number.

It is an amenable number.

142101421404 is an abundant number, since it is smaller than the sum of its proper divisors (190334290596).

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

142101421404 is a wasteful number, since it uses less digits than its factorization.

142101421404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30918889 (or 30918887 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 142101421404 its reverse (404124101241), we get a palindrome (546225522645).

The spelling of 142101421404 in words is "one hundred forty-two billion, one hundred one million, four hundred twenty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 12 383 766 1149 1532 2298 4596 30918499 61836998 92755497 123673996 185510994 371021988 11841785117 23683570234 35525355351 47367140468 71050710702 142101421404