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142052454013 = 394336026491
BaseRepresentation
bin1000010001001011111…
…1000110111001111101
3111120122212202100100111
42010102333012321331
54311410412012023
6145131421030021
713156122636151
oct2042277067175
9446585670314
10142052454013
11552759a8228
12236450b5311
131051ab73722
146c3805d061
153a65ee600d
hex2112fc6e7d

142052454013 has 4 divisors (see below), whose sum is σ = 142088484448. Its totient is φ = 142016423580.

The previous prime is 142052453989. The next prime is 142052454029. The reversal of 142052454013 is 310454250241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142052454013 is a prime.

It is a super-2 number, since 2×1420524540132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142052454043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18009303 + ... + 18017188.

It is an arithmetic number, because the mean of its divisors is an integer number (35522121112).

Almost surely, 2142052454013 is an apocalyptic number.

It is an amenable number.

142052454013 is a deficient number, since it is larger than the sum of its proper divisors (36030435).

142052454013 is an equidigital number, since it uses as much as digits as its factorization.

142052454013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36030434.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 142052454013 in words is "one hundred forty-two billion, fifty-two million, four hundred fifty-four thousand, thirteen".

Divisors: 1 3943 36026491 142052454013