Base | Representation |
---|---|
bin | 100111001001001111… |
… | …111100000001100110 |
3 | 11000111012221022112100 |
4 | 213021033330001212 |
5 | 1142034430312402 |
6 | 31150412232530 |
7 | 3015366330051 |
oct | 471117740146 |
9 | 130435838470 |
10 | 42031104102 |
11 | 1690950a679 |
12 | 819016b746 |
13 | 3c6aaca300 |
14 | 206a241a98 |
15 | 115ee9071c |
hex | 9c93fc066 |
42031104102 has 36 divisors (see below), whose sum is σ = 98611443684. Its totient is φ = 12932646480.
The previous prime is 42031104097. The next prime is 42031104149. The reversal of 42031104102 is 20140113024.
42031104102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×420311041022 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6905424 + ... + 6911507.
It is an arithmetic number, because the mean of its divisors is an integer number (2739206769).
Almost surely, 242031104102 is an apocalyptic number.
42031104102 is an abundant number, since it is smaller than the sum of its proper divisors (56580339582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42031104102 is a wasteful number, since it uses less digits than its factorization.
42031104102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13816965 (or 13816949 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 42031104102 its reverse (20140113024), we get a palindrome (62171217126).
The spelling of 42031104102 in words is "forty-two billion, thirty-one million, one hundred four thousand, one hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •