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140120024142 = 23710873069173
BaseRepresentation
bin1000001001111111001…
…1011110010001001110
3111101200012112201220210
42002133303132101032
54243431211233032
6144211550223250
713060206360630
oct2023763362116
9441605481823
10140120024142
115447411204a
12231a5ab4b26
13102a06c6bb7
146ad3552a50
1539a152e2cc
hex209fcde44e

140120024142 has 32 divisors (see below), whose sum is σ = 320569085952. Its totient is φ = 39997449504.

The previous prime is 140120024129. The next prime is 140120024153. The reversal of 140120024142 is 241420021041.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1488933 + ... + 1580240.

It is an arithmetic number, because the mean of its divisors is an integer number (10017783936).

Almost surely, 2140120024142 is an apocalyptic number.

140120024142 is an abundant number, since it is smaller than the sum of its proper divisors (180449061810).

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

140120024142 is a wasteful number, since it uses less digits than its factorization.

140120024142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070272.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 140120024142 its reverse (241420021041), we get a palindrome (381540045183).

The spelling of 140120024142 in words is "one hundred forty billion, one hundred twenty million, twenty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 1087 2174 3261 6522 7609 15218 22827 45654 3069173 6138346 9207519 18415038 21484211 42968422 64452633 128905266 3336191051 6672382102 10008573153 20017146306 23353337357 46706674714 70060012071 140120024142