Search a number
-
+
142344007972 = 22291870165617
BaseRepresentation
bin1000010010010001011…
…1010011000100100100
3111121102012100211012021
42010210113103010210
54313010031223342
6145220354032524
713166263050535
oct2044427230444
9447365324167
10142344007972
1155405533011
1223706878744
13105663a506a
146c64a7468c
153a818d7567
hex21245d3124

142344007972 has 24 divisors (see below), whose sum is σ = 257709445560. Its totient is φ = 68713075200.

The previous prime is 142344007969. The next prime is 142344007973. The reversal of 142344007972 is 279700443241.

It can be written as a sum of positive squares in 4 ways, for example, as 43190814976 + 99153192996 = 207824^2 + 314886^2 .

It is not an unprimeable number, because it can be changed into a prime (142344007973) 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, 2136508 + ... + 2202124.

It is an arithmetic number, because the mean of its divisors is an integer number (10737893565).

Almost surely, 2142344007972 is an apocalyptic number.

It is an amenable number.

142344007972 is a deficient number, since it is larger than the sum of its proper divisors (115365437588).

142344007972 is a wasteful number, since it uses less digits than its factorization.

142344007972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84351 (or 84349 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 142344007972 in words is "one hundred forty-two billion, three hundred forty-four million, seven thousand, nine hundred seventy-two".

Divisors: 1 2 4 29 58 116 18701 37402 65617 74804 131234 262468 542329 1084658 1902893 2169316 3805786 7611572 1227103517 2454207034 4908414068 35586001993 71172003986 142344007972