Base | Representation |
---|---|
bin | 1000000010110101… |
… | …1010011111010000 |
3 | 12120111021022022110 |
4 | 2000231122133100 |
5 | 13410300413444 |
6 | 554135105320 |
7 | 104340333441 |
oct | 20055323720 |
9 | 5514238273 |
10 | 2159388624 |
11 | a08a116a8 |
12 | 503212240 |
13 | 2854b2763 |
14 | 166b092c8 |
15 | c9898cb9 |
hex | 80b5a7d0 |
2159388624 has 40 divisors (see below), whose sum is σ = 5583501760. Its totient is φ = 719140608.
The previous prime is 2159388599. The next prime is 2159388631. The reversal of 2159388624 is 4268839512.
It is a super-2 number, since 2×21593886242 = 9325918458921226752, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34269 + ... + 74115.
It is an arithmetic number, because the mean of its divisors is an integer number (139587544).
Almost surely, 22159388624 is an apocalyptic number.
2159388624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2159388624 is an abundant number, since it is smaller than the sum of its proper divisors (3424113136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2159388624 is a wasteful number, since it uses less digits than its factorization.
2159388624 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40987 (or 40981 counting only the distinct ones).
The product of its digits is 829440, while the sum is 48.
The square root of 2159388624 is about 46469.2223304845. Note that the first 3 decimals coincide. The cubic root of 2159388624 is about 1292.5388423566.
It can be divided in two parts, 215 and 9388624, that added together give a palindrome (9388839).
The spelling of 2159388624 in words is "two billion, one hundred fifty-nine million, three hundred eighty-eight thousand, six hundred twenty-four".
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