Base | Representation |
---|---|
bin | 11100011010000101… |
… | …110010100011110101 |
3 | 2220201202211100222122 |
4 | 130122011302203311 |
5 | 444432114342001 |
6 | 22002422205325 |
7 | 2126610641141 |
oct | 343205624365 |
9 | 86652740878 |
10 | 30502496501 |
11 | 11a329560a4 |
12 | 5ab3283845 |
13 | 2b515125c9 |
14 | 1695090221 |
15 | bd7cd6b1b |
hex | 71a1728f5 |
30502496501 has 4 divisors (see below), whose sum is σ = 30502853004. Its totient is φ = 30502140000.
The previous prime is 30502496471. The next prime is 30502496503. The reversal of 30502496501 is 10569420503.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 26539668100 + 3962828401 = 162910^2 + 62951^2 .
It is a cyclic number.
It is not a de Polignac number, because 30502496501 - 234 = 13322627317 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30502496503) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35651 + ... + 249551.
It is an arithmetic number, because the mean of its divisors is an integer number (7625713251).
It is a Poulet number, since it divides 230502496500-1.
Almost surely, 230502496501 is an apocalyptic number.
30502496501 is the 142601-st pentagonal number.
It is an amenable number.
30502496501 is a deficient number, since it is larger than the sum of its proper divisors (356503).
30502496501 is a wasteful number, since it uses less digits than its factorization.
30502496501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 356502.
The product of its (nonzero) digits is 32400, while the sum is 35.
The spelling of 30502496501 in words is "thirty billion, five hundred two million, four hundred ninety-six thousand, five hundred one".
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