Base | Representation |
---|---|
bin | 1010100000111110001000… |
… | …00100010000101100110000 |
3 | 10000212112202111002201011020 |
4 | 11100133010010100230300 |
5 | 11012322101142440210 |
6 | 121102334343415440 |
7 | 4604405635326060 |
oct | 520370404205460 |
9 | 100775674081136 |
10 | 23123098405680 |
11 | 74054a6260989 |
12 | 27154b2a54580 |
13 | cb9663bb8430 |
14 | 59d241b9b3a0 |
15 | 2a17415b1770 |
hex | 1507c4110b30 |
23123098405680 has 320 divisors, whose sum is σ = 88314828822528. Its totient is φ = 4873670000640.
The previous prime is 23123098405637. The next prime is 23123098405691. The reversal of 23123098405680 is 8650489032132.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20571840 + ... + 21666720.
Almost surely, 223123098405680 is an apocalyptic number.
23123098405680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23123098405680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44157414411264).
23123098405680 is an abundant number, since it is smaller than the sum of its proper divisors (65191730416848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23123098405680 is a wasteful number, since it uses less digits than its factorization.
23123098405680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1095884 (or 1095878 counting only the distinct ones).
The product of its (nonzero) digits is 2488320, while the sum is 51.
The spelling of 23123098405680 in words is "twenty-three trillion, one hundred twenty-three billion, ninety-eight million, four hundred five thousand, six hundred eighty".
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