Base | Representation |
---|---|
bin | 1000010011010110000… |
… | …0001101001001000011 |
3 | 111122011020102202110022 |
4 | 2010311200031021003 |
5 | 4314102134240101 |
6 | 145305105124055 |
7 | 13206354135134 |
oct | 2046540151103 |
9 | 448136382408 |
10 | 142631555651 |
11 | 55542881922 |
12 | 2378702962b |
13 | 105b0b33010 |
14 | 6c90d25c8b |
15 | 3a9bc86a1b |
hex | 213580d243 |
142631555651 has 8 divisors (see below), whose sum is σ = 155038759344. Its totient is φ = 130429429920.
The previous prime is 142631555629. The next prime is 142631555657. The reversal of 142631555651 is 156555136241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142631555651 - 218 = 142631293507 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142631555657) 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, 51268040 + ... + 51270821.
It is an arithmetic number, because the mean of its divisors is an integer number (19379844918).
Almost surely, 2142631555651 is an apocalyptic number.
142631555651 is a deficient number, since it is larger than the sum of its proper divisors (12407203693).
142631555651 is a wasteful number, since it uses less digits than its factorization.
142631555651 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102538981.
The product of its digits is 540000, while the sum is 44.
The spelling of 142631555651 in words is "one hundred forty-two billion, six hundred thirty-one million, five hundred fifty-five thousand, six hundred fifty-one".
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