Base | Representation |
---|---|
bin | 11100010100001100… |
… | …001001111110000100 |
3 | 2220110212112221000000 |
4 | 130110030021332010 |
5 | 444231244030311 |
6 | 21544524321300 |
7 | 2124266334252 |
oct | 342414117604 |
9 | 86425487000 |
10 | 30403501956 |
11 | 11991a91023 |
12 | 5a860a3230 |
13 | 2b36b61659 |
14 | 1685c815d2 |
15 | bce280056 |
hex | 714309f84 |
30403501956 has 63 divisors (see below), whose sum is σ = 79797412821. Its totient is φ = 10131362064.
The previous prime is 30403501949. The next prime is 30403501963. The reversal of 30403501956 is 65910530403.
The square root of 30403501956 is 174366.
It is a perfect power (a square), and thus also a powerful number.
It is an interprime number because it is at equal distance from previous prime (30403501949) and next prime (30403501963).
It can be written as a sum of positive squares in only one way, i.e., 9145861956 + 21257640000 = 95634^2 + 145800^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 30403501956.
It is an unprimeable number.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 9414150 + ... + 9417378.
Almost surely, 230403501956 is an apocalyptic number.
30403501956 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
30403501956 is the 174366-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30403501956
30403501956 is an abundant number, since it is smaller than the sum of its proper divisors (49393910865).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30403501956 is an frugal number, since it uses more digits than its factorization.
30403501956 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6480 (or 3234 counting only the distinct ones).
The product of its (nonzero) digits is 48600, while the sum is 36.
Multiplying 30403501956 by its sum of digits (36), we get a square (1094526070416 = 10461962).
30403501956 divided by its sum of digits (36) gives a square (844541721 = 290612).
The spelling of 30403501956 in words is "thirty billion, four hundred three million, five hundred one thousand, nine hundred fifty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •