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140230232142 = 237111323348357
BaseRepresentation
bin1000001010011001011…
…1111000100001001110
3111101221212220212212120
42002212113320201032
54244142414412032
6144230524313410
713063015210020
oct2024627704116
9441855825776
10140230232142
1154520345a40
12232169a2866
13102ba4a2b30
146b04040010
1539ab04d62c
hex20a65f884e

140230232142 has 64 divisors (see below), whose sum is σ = 376562317824. Its totient is φ = 33621632640.

The previous prime is 140230232081. The next prime is 140230232159. The reversal of 140230232142 is 241232032041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11668173 + ... + 11680184.

It is an arithmetic number, because the mean of its divisors is an integer number (5883786216).

Almost surely, 2140230232142 is an apocalyptic number.

140230232142 is an abundant number, since it is smaller than the sum of its proper divisors (236332085682).

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

140230232142 is a wasteful number, since it uses less digits than its factorization.

140230232142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23348393.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 140230232142 its reverse (241232032041), we get a palindrome (381462264183).

The spelling of 140230232142 in words is "one hundred forty billion, two hundred thirty million, two hundred thirty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 11 13 14 21 22 26 33 39 42 66 77 78 91 143 154 182 231 273 286 429 462 546 858 1001 2002 3003 6006 23348357 46696714 70045071 140090142 163438499 256831927 303528641 326876998 490315497 513663854 607057282 770495781 910585923 980630994 1540991562 1797823489 1821171846 2124700487 3338815051 3595646978 4249400974 5393470467 6374101461 6677630102 10016445153 10786940934 12748202922 20032890306 23371705357 46743410714 70115116071 140230232142