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142140431313 = 337097425191
BaseRepresentation
bin1000010001100000111…
…0101101101111010001
3111120220000022001112000
42010120032231233101
54312100422300223
6145144242424213
713161241505556
oct2043016555721
9446800261460
10142140431313
1155310627941
122366a662069
1310533167aba
146c45a00a2d
153a6dac3543
hex21183adbd1

142140431313 has 16 divisors (see below), whose sum is σ = 210875452800. Its totient is φ = 94626621360.

The previous prime is 142140431243. The next prime is 142140431339. The reversal of 142140431313 is 313134041241.

142140431313 is a `hidden beast` number, since 1 + 4 + 214 + 0 + 431 + 3 + 13 = 666.

It is not a de Polignac number, because 142140431313 - 213 = 142140423121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (142140438313) 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, 3693453 + ... + 3731738.

It is an arithmetic number, because the mean of its divisors is an integer number (13179715800).

Almost surely, 2142140431313 is an apocalyptic number.

It is an amenable number.

142140431313 is a deficient number, since it is larger than the sum of its proper divisors (68735021487).

142140431313 is an equidigital number, since it uses as much as digits as its factorization.

142140431313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7425909 (or 7425903 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 142140431313 its reverse (313134041241), we get a palindrome (455274472554).

The spelling of 142140431313 in words is "one hundred forty-two billion, one hundred forty million, four hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 3 9 27 709 2127 6381 19143 7425191 22275573 66826719 200480157 5264460419 15793381257 47380143771 142140431313