Base | Representation |
---|---|
bin | 11101000000110000… |
… | …001001001010010001 |
3 | 2222101222100112102212 |
4 | 131000300021022101 |
5 | 1002244142231304 |
6 | 22151032521505 |
7 | 2151645156461 |
oct | 350060111221 |
9 | 88358315385 |
10 | 31151133329 |
11 | 12236003598 |
12 | 6054550295 |
13 | 2c25a09c94 |
14 | 1717297ba1 |
15 | c24c1066e |
hex | 740c09291 |
31151133329 has 8 divisors (see below), whose sum is σ = 31332799680. Its totient is φ = 30969572400.
The previous prime is 31151133317. The next prime is 31151133359. The reversal of 31151133329 is 92333115113.
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 31151133329 - 24 = 31151133313 is a prime.
It is a super-2 number, since 2×311511333292 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31151133295 and 31151133304.
It is not an unprimeable number, because it can be changed into a prime (31151133359) 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, 610982 + ... + 660000.
It is an arithmetic number, because the mean of its divisors is an integer number (3916599960).
Almost surely, 231151133329 is an apocalyptic number.
It is an amenable number.
31151133329 is a deficient number, since it is larger than the sum of its proper divisors (181666351).
31151133329 is a wasteful number, since it uses less digits than its factorization.
31151133329 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52711.
The product of its digits is 7290, while the sum is 32.
The spelling of 31151133329 in words is "thirty-one billion, one hundred fifty-one million, one hundred thirty-three thousand, three hundred twenty-nine".
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