Base | Representation |
---|---|
bin | 10101011100000110… |
… | …101110001011000100 |
3 | 2012102022101100210222 |
4 | 111130012232023010 |
5 | 334121121233330 |
6 | 14324132403512 |
7 | 1443313432664 |
oct | 253406561304 |
9 | 65368340728 |
10 | 23020102340 |
11 | 984327a674 |
12 | 4565476598 |
13 | 222b2aa041 |
14 | 11854421a4 |
15 | 8eae810e5 |
hex | 55c1ae2c4 |
23020102340 has 24 divisors (see below), whose sum is σ = 48345343872. Its totient is φ = 9207444960.
The previous prime is 23020102337. The next prime is 23020102363. The reversal of 23020102340 is 4320102032.
It is a super-2 number, since 2×230201023402 (a number of 22 digits) contains 22 as substring.
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, 411107 + ... + 463733.
It is an arithmetic number, because the mean of its divisors is an integer number (2014389328).
Almost surely, 223020102340 is an apocalyptic number.
23020102340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23020102340 is an abundant number, since it is smaller than the sum of its proper divisors (25325241532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23020102340 is a wasteful number, since it uses less digits than its factorization.
23020102340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74507 (or 74505 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 23020102340 its reverse (4320102032), we get a palindrome (27340204372).
The spelling of 23020102340 in words is "twenty-three billion, twenty million, one hundred two thousand, three hundred forty".
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