Base | Representation |
---|---|
bin | 10011000101111111111… |
… | …010101010011110001110 |
3 | 11122102210021112120212220 |
4 | 103011333322222132032 |
5 | 132444200421010110 |
6 | 2442435302440210 |
7 | 163540223262150 |
oct | 23057772523616 |
9 | 4572707476786 |
10 | 1312111110030 |
11 | 466510573436 |
12 | 192367433066 |
13 | 96968292636 |
14 | 47713c4aad0 |
15 | 241e72e2370 |
hex | 1317feaa78e |
1312111110030 has 64 divisors (see below), whose sum is σ = 3599028218880. Its totient is φ = 299903203584.
The previous prime is 1312111109983. The next prime is 1312111110077. The reversal of 1312111110030 is 300111112131.
It is an interprime number because it is at equal distance from previous prime (1312111109983) and next prime (1312111110077).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 1312111109991 and 1312111110009.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12381127 + ... + 12486653.
It is an arithmetic number, because the mean of its divisors is an integer number (56234815920).
Almost surely, 21312111110030 is an apocalyptic number.
1312111110030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1312111110030 is an abundant number, since it is smaller than the sum of its proper divisors (2286917108850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312111110030 is a wasteful number, since it uses less digits than its factorization.
1312111110030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164753.
The product of its (nonzero) digits is 18, while the sum is 15.
Adding to 1312111110030 its reverse (300111112131), we get a palindrome (1612222222161).
It can be divided in two parts, 1312111 and 110030, that added together give a triangular number (1422141 = T1686).
The spelling of 1312111110030 in words is "one trillion, three hundred twelve billion, one hundred eleven million, one hundred ten thousand, thirty".
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