Base | Representation |
---|---|
bin | 1110000110100110011001… |
… | …10111101010011101101000 |
3 | 11001210211020100000000020100 |
4 | 13003103030313222131220 |
5 | 13031104312330133112 |
6 | 145543115534025400 |
7 | 6350423361106644 |
oct | 703231467523550 |
9 | 131724210000210 |
10 | 31013101021032 |
11 | 997764501aa59 |
12 | 358a668948260 |
13 | 143c6a49b9c30 |
14 | 793083737c24 |
15 | 38bac67992dc |
hex | 1c34ccdea768 |
31013101021032 has 48 divisors (see below), whose sum is σ = 90454877980740. Its totient is φ = 9542492621568.
The previous prime is 31013101021031. The next prime is 31013101021099. The reversal of 31013101021032 is 23012010131013.
31013101021032 is a `hidden beast` number, since 3 + 101 + 310 + 10 + 210 + 32 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 29443277459556 + 1569823561476 = 5426166^2 + 1252926^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 31013101020996 and 31013101021014.
It is not an unprimeable number, because it can be changed into a prime (31013101021031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16566826533 + ... + 16566828404.
Almost surely, 231013101021032 is an apocalyptic number.
It is an amenable number.
31013101021032 is an abundant number, since it is smaller than the sum of its proper divisors (59441776959708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31013101021032 is a wasteful number, since it uses less digits than its factorization.
31013101021032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33133654962 (or 33133654955 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 31013101021032 its reverse (23012010131013), we get a palindrome (54025111152045).
The spelling of 31013101021032 in words is "thirty-one trillion, thirteen billion, one hundred one million, twenty-one thousand, thirty-two".
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