Base | Representation |
---|---|
bin | 1011000110101101111000… |
… | …0101110110101101111100 |
3 | 1121020021012111122122121000 |
4 | 2301223132011312231330 |
5 | 3100022111410211103 |
6 | 41545112430410300 |
7 | 2400100520123541 |
oct | 261533605665574 |
9 | 47207174578530 |
10 | 12210023132028 |
11 | 398827281a497 |
12 | 1452474060990 |
13 | 6a75284380c7 |
14 | 302d7ad24bc8 |
15 | 1629262c1aa3 |
hex | b1ade176b7c |
12210023132028 has 48 divisors (see below), whose sum is σ = 31832462592000. Its totient is φ = 4047270231024.
The previous prime is 12210023131981. The next prime is 12210023132029. The reversal of 12210023132028 is 82023132001221.
12210023132028 is a `hidden beast` number, since 1 + 2 + 2 + 100 + 231 + 320 + 2 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 12210023131992 and 12210023132010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12210023132029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315778908 + ... + 315817571.
It is an arithmetic number, because the mean of its divisors is an integer number (663176304000).
Almost surely, 212210023132028 is an apocalyptic number.
12210023132028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
12210023132028 is an abundant number, since it is smaller than the sum of its proper divisors (19622439459972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12210023132028 is a wasteful number, since it uses less digits than its factorization.
12210023132028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 631596671 (or 631596663 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
Adding to 12210023132028 its reverse (82023132001221), we get a palindrome (94233155133249).
The spelling of 12210023132028 in words is "twelve trillion, two hundred ten billion, twenty-three million, one hundred thirty-two thousand, twenty-eight".
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