Base | Representation |
---|---|
bin | 1100100010101000011… |
… | …1101000110111011000 |
3 | 202121010102121112220222 |
4 | 3020222013220313120 |
5 | 12012222440312024 |
6 | 242551220335212 |
7 | 21365114240654 |
oct | 3105207506730 |
9 | 677112545828 |
10 | 215455010264 |
11 | 8341281115a |
12 | 3590b544508 |
13 | 174181ca570 |
14 | a5dc909a64 |
15 | 59101b685e |
hex | 322a1e8dd8 |
215455010264 has 16 divisors (see below), whose sum is σ = 435053386320. Its totient is φ = 99440773920.
The previous prime is 215455010213. The next prime is 215455010297. The reversal of 215455010264 is 462010554512.
It is a super-2 number, since 2×2154550102642 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035841292 + ... + 1035841499.
It is an arithmetic number, because the mean of its divisors is an integer number (27190836645).
Almost surely, 2215455010264 is an apocalyptic number.
It is an amenable number.
215455010264 is an abundant number, since it is smaller than the sum of its proper divisors (219598376056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215455010264 is a wasteful number, since it uses less digits than its factorization.
215455010264 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2071682810 (or 2071682806 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 35.
Adding to 215455010264 its reverse (462010554512), we get a palindrome (677465564776).
The spelling of 215455010264 in words is "two hundred fifteen billion, four hundred fifty-five million, ten thousand, two hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •