Base | Representation |
---|---|
bin | 11101110110110110111000… |
… | …100010101001111011011001 |
3 | 122012221102010220002111021101 |
4 | 131312312320202221323121 |
5 | 114202413243043423420 |
6 | 1143140230353311401 |
7 | 36442026543055222 |
oct | 3566667042517331 |
9 | 565842126074241 |
10 | 131313131232985 |
11 | 3892764a289089 |
12 | 12889445b65561 |
13 | 5836a0ccac070 |
14 | 245d8376b4249 |
15 | 102ab511e460a |
hex | 776db88a9ed9 |
131313131232985 has 16 divisors (see below), whose sum is σ = 178628389047360. Its totient is φ = 91866028651200.
The previous prime is 131313131232953. The next prime is 131313131233003. The reversal of 131313131232985 is 589232131313131.
It is not a de Polignac number, because 131313131232985 - 25 = 131313131232953 is a prime.
It is a super-2 number, since 2×1313131312329852 (a number of 29 digits) contains 22 as substring.
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, 53163209791 + ... + 53163212260.
It is an arithmetic number, because the mean of its divisors is an integer number (11164274315460).
Almost surely, 2131313131232985 is an apocalyptic number.
It is an amenable number.
131313131232985 is a deficient number, since it is larger than the sum of its proper divisors (47315257814375).
131313131232985 is a wasteful number, since it uses less digits than its factorization.
131313131232985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106326422088.
The product of its digits is 349920, while the sum is 46.
The spelling of 131313131232985 in words is "one hundred thirty-one trillion, three hundred thirteen billion, one hundred thirty-one million, two hundred thirty-two thousand, nine hundred eighty-five".
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