Base | Representation |
---|---|
bin | 11111001100111100100… |
… | …11101111010011001100 |
3 | 10210111021200121202121200 |
4 | 33212132103233103030 |
5 | 120031131311100213 |
6 | 2140303420225500 |
7 | 140312464464135 |
oct | 17463623572314 |
9 | 3714250552550 |
10 | 1072102831308 |
11 | 38374910a283 |
12 | 15394509b290 |
13 | 7a139282972 |
14 | 39c66444c8c |
15 | 1cd4b79d273 |
hex | f99e4ef4cc |
1072102831308 has 36 divisors (see below), whose sum is σ = 2715047073648. Its totient is φ = 356707035360.
The previous prime is 1072102831307. The next prime is 1072102831313. The reversal of 1072102831308 is 8031382012701.
1072102831308 is a `hidden beast` number, since 1 + 0 + 72 + 1 + 0 + 283 + 1 + 308 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×10721028313082 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (1072102831307) 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, 27504216 + ... + 27543167.
It is an arithmetic number, because the mean of its divisors is an integer number (75417974268).
Almost surely, 21072102831308 is an apocalyptic number.
1072102831308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1072102831308 is an abundant number, since it is smaller than the sum of its proper divisors (1642944242340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1072102831308 is a wasteful number, since it uses less digits than its factorization.
1072102831308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55047934 (or 55047929 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The spelling of 1072102831308 in words is "one trillion, seventy-two billion, one hundred two million, eight hundred thirty-one thousand, three hundred eight".
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