Base | Representation |
---|---|
bin | 111101000000001000… |
… | …1010001111001111000 |
3 | 110112010200112221210122 |
4 | 1322000101101321320 |
5 | 4121242231013222 |
6 | 140103034432412 |
7 | 12315220254623 |
oct | 1720021217170 |
9 | 415120487718 |
10 | 131001032312 |
11 | 50614738567 |
12 | 2147bb92708 |
13 | c4793b3847 |
14 | 64aa404dba |
15 | 361ab9aa42 |
hex | 1e80451e78 |
131001032312 has 32 divisors (see below), whose sum is σ = 253577182080. Its totient is φ = 63380897280.
The previous prime is 131001032209. The next prime is 131001032341. The reversal of 131001032312 is 213230100131.
It is a super-2 number, since 2×1310010323122 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2972228 + ... + 3015980.
It is an arithmetic number, because the mean of its divisors is an integer number (7924286940).
Almost surely, 2131001032312 is an apocalyptic number.
It is an amenable number.
131001032312 is a deficient number, since it is larger than the sum of its proper divisors (122576149768).
131001032312 is a wasteful number, since it uses less digits than its factorization.
131001032312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55863 (or 55859 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 131001032312 its reverse (213230100131), we get a palindrome (344231132443).
The spelling of 131001032312 in words is "one hundred thirty-one billion, one million, thirty-two thousand, three hundred twelve".
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