Base | Representation |
---|---|
bin | 10101100100001011… |
… | …010100001101000111 |
3 | 2012202202012111222200 |
4 | 111210023110031013 |
5 | 334410303240143 |
6 | 14345411125543 |
7 | 1446546465363 |
oct | 254413241507 |
9 | 65682174880 |
10 | 23155524423 |
11 | 9902765249 |
12 | 45a28a38b3 |
13 | 2250373755 |
14 | 11994142a3 |
15 | 907cd11d3 |
hex | 5642d4347 |
23155524423 has 6 divisors (see below), whose sum is σ = 33446868624. Its totient is φ = 15437016276.
The previous prime is 23155524391. The next prime is 23155524443. The reversal of 23155524423 is 32442555132.
It is not a de Polignac number, because 23155524423 - 25 = 23155524391 is a prime.
It is a super-2 number, since 2×231555244232 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23155524443) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1286418015 + ... + 1286418032.
It is an arithmetic number, because the mean of its divisors is an integer number (5574478104).
Almost surely, 223155524423 is an apocalyptic number.
23155524423 is a deficient number, since it is larger than the sum of its proper divisors (10291344201).
23155524423 is a wasteful number, since it uses less digits than its factorization.
23155524423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2572836053 (or 2572836050 counting only the distinct ones).
The product of its digits is 144000, while the sum is 36.
The spelling of 23155524423 in words is "twenty-three billion, one hundred fifty-five million, five hundred twenty-four thousand, four hundred twenty-three".
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