Base | Representation |
---|---|
bin | 1001001011010101011… |
… | …10100110100010111100 |
3 | 1010010220102020221201000 |
4 | 10211222232212202330 |
5 | 20131240220322022 |
6 | 400505114450300 |
7 | 31532001044562 |
oct | 4455256464274 |
9 | 1103812227630 |
10 | 315323214012 |
11 | 111800808834 |
12 | 51141133990 |
13 | 23972612a51 |
14 | 1139425da32 |
15 | 8307a6a6ac |
hex | 496aba68bc |
315323214012 has 96 divisors (see below), whose sum is σ = 836667740160. Its totient is φ = 102661715520.
The previous prime is 315323213993. The next prime is 315323214013. The reversal of 315323214012 is 210412323513.
315323214012 is a `hidden beast` number, since 315 + 323 + 2 + 14 + 0 + 12 = 666.
It is a super-2 number, since 2×3153232140122 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315323214013) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1152937 + ... + 1399967.
It is an arithmetic number, because the mean of its divisors is an integer number (8715288960).
Almost surely, 2315323214012 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 315323214012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418333870080).
315323214012 is an abundant number, since it is smaller than the sum of its proper divisors (521344526148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315323214012 is a wasteful number, since it uses less digits than its factorization.
315323214012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247320 (or 247312 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
Adding to 315323214012 its reverse (210412323513), we get a palindrome (525735537525).
The spelling of 315323214012 in words is "three hundred fifteen billion, three hundred twenty-three million, two hundred fourteen thousand, twelve".
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