Base | Representation |
---|---|
bin | 10101011011000111… |
… | …001000000010111100 |
3 | 2012101011000101011122 |
4 | 111123013020002330 |
5 | 334102334243400 |
6 | 14322335210112 |
7 | 1443021636536 |
oct | 253307100274 |
9 | 65334011148 |
10 | 23003431100 |
11 | 9834923291 |
12 | 455b976938 |
13 | 22279c0ac0 |
14 | 1183142856 |
15 | 8e978b685 |
hex | 55b1c80bc |
23003431100 has 72 divisors (see below), whose sum is σ = 56586638640. Its totient is φ = 8046535680.
The previous prime is 23003431091. The next prime is 23003431109. The reversal of 23003431100 is 113430032.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (23003431091) and next prime (23003431109).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23003431109) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 440957 + ... + 490356.
Almost surely, 223003431100 is an apocalyptic number.
23003431100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23003431100 is an abundant number, since it is smaller than the sum of its proper divisors (33583207540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23003431100 is a wasteful number, since it uses less digits than its factorization.
23003431100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 931359 (or 931352 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 23003431100 its reverse (113430032), we get a palindrome (23116861132).
The spelling of 23003431100 in words is "twenty-three billion, three million, four hundred thirty-one thousand, one hundred".
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