Base | Representation |
---|---|
bin | 10101100011011000… |
… | …001110011101110100 |
3 | 2012201211000002110011 |
4 | 111203120032131310 |
5 | 334343341202242 |
6 | 14344212110004 |
7 | 1446324605230 |
oct | 254330163564 |
9 | 65654002404 |
10 | 23142131572 |
11 | 98a6147a7a |
12 | 459a305304 |
13 | 224a6647a1 |
14 | 11977295c0 |
15 | 906a37d17 |
hex | 56360e774 |
23142131572 has 48 divisors (see below), whose sum is σ = 46803947008. Its totient is φ = 9806883840.
The previous prime is 23142131557. The next prime is 23142131609. The reversal of 23142131572 is 27513124132.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3600922 + ... + 3607342.
Almost surely, 223142131572 is an apocalyptic number.
It is an amenable number.
23142131572 is an abundant number, since it is smaller than the sum of its proper divisors (23661815436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23142131572 is a wasteful number, since it uses less digits than its factorization.
23142131572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7856 (or 7854 counting only the distinct ones).
The product of its digits is 10080, while the sum is 31.
The spelling of 23142131572 in words is "twenty-three billion, one hundred forty-two million, one hundred thirty-one thousand, five hundred seventy-two".
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