Base | Representation |
---|---|
bin | 100111001000000111… |
… | …001100000000000110 |
3 | 11000102220001101221100 |
4 | 213020013030000012 |
5 | 1142020040024110 |
6 | 31144451400530 |
7 | 3015045250212 |
oct | 471007140006 |
9 | 130386041840 |
10 | 42012033030 |
11 | 168a9774260 |
12 | 81858b3146 |
13 | 3c66b80956 |
14 | 20678b9942 |
15 | 115d474bc0 |
hex | 9c81cc006 |
42012033030 has 48 divisors (see below), whose sum is σ = 119161405584. Its totient is φ = 10184735040.
The previous prime is 42012033029. The next prime is 42012033097. The reversal of 42012033030 is 3033021024.
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 = 42012032994 and 42012033012.
It is a congruent number.
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, 21217209 + ... + 21219188.
It is an arithmetic number, because the mean of its divisors is an integer number (2482529283).
Almost surely, 242012033030 is an apocalyptic number.
42012033030 is an abundant number, since it is smaller than the sum of its proper divisors (77149372554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42012033030 is a wasteful number, since it uses less digits than its factorization.
42012033030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42436421 (or 42436418 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 42012033030 its reverse (3033021024), we get a palindrome (45045054054).
The spelling of 42012033030 in words is "forty-two billion, twelve million, thirty-three thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.113 sec. • engine limits •