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142113101402 = 271056550701
BaseRepresentation
bin1000010001011010011…
…0011101011001011010
3111120211002212112221002
42010112212131121122
54312021423221102
6145141424545002
713160460300536
oct2042646353132
9446732775832
10142113101402
11552a7160538
1223661482162
131052a5b925c
146c42128bc6
153a6b4c5902
hex211699d65a

142113101402 has 4 divisors (see below), whose sum is σ = 213169652106. Its totient is φ = 71056550700.

The previous prime is 142113101401. The next prime is 142113101419. The reversal of 142113101402 is 204101311241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204101311241 = 1371489790593.

It can be written as a sum of positive squares in only one way, i.e., 90161472361 + 51951629041 = 300269^2 + 227929^2 .

It is a super-2 number, since 2×1421131014022 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142113101401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35528275349 + ... + 35528275352.

Almost surely, 2142113101402 is an apocalyptic number.

142113101402 is a deficient number, since it is larger than the sum of its proper divisors (71056550704).

142113101402 is an equidigital number, since it uses as much as digits as its factorization.

142113101402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71056550703.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 142113101402 its reverse (204101311241), we get a palindrome (346214412643).

The spelling of 142113101402 in words is "one hundred forty-two billion, one hundred thirteen million, one hundred one thousand, four hundred two".

Divisors: 1 2 71056550701 142113101402