Base | Representation |
---|---|
bin | 1110000110010011110001… |
… | …10101011010110111100010 |
3 | 11001202212102102121002020200 |
4 | 13003021320311122313202 |
5 | 13030423322402242010 |
6 | 145534343355250030 |
7 | 6346620515122065 |
oct | 703117065326742 |
9 | 131685372532220 |
10 | 31003101212130 |
11 | 9973383426583 |
12 | 3588737a49916 |
13 | 143b770068748 |
14 | 7927b56248dc |
15 | 38b6dd927cc0 |
hex | 1c3278d5ade2 |
31003101212130 has 48 divisors (see below), whose sum is σ = 80608374085824. Its totient is φ = 8267461765920.
The previous prime is 31003101212107. The next prime is 31003101212143. The reversal of 31003101212130 is 3121210130013.
31003101212130 is a `hidden beast` number, since 3 + 10 + 0 + 310 + 1 + 212 + 130 = 666.
It is a super-2 number, since 2×310031012121302 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31286365 + ... + 32262095.
It is an arithmetic number, because the mean of its divisors is an integer number (1679341126788).
Almost surely, 231003101212130 is an apocalyptic number.
31003101212130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31003101212130 is an abundant number, since it is smaller than the sum of its proper divisors (49605272873694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31003101212130 is a wasteful number, since it uses less digits than its factorization.
31003101212130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1328791 (or 1328788 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 31003101212130 its reverse (3121210130013), we get a palindrome (34124311342143).
The spelling of 31003101212130 in words is "thirty-one trillion, three billion, one hundred one million, two hundred twelve thousand, one hundred thirty".
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