Base | Representation |
---|---|
bin | 1011010100100111110001… |
… | …0000111110000000101010 |
3 | 1122002002210020201020102001 |
4 | 2311021330100332000222 |
5 | 3112430321403000030 |
6 | 42250540140001214 |
7 | 2423255230316626 |
oct | 265117420760052 |
9 | 48062706636361 |
10 | 12448900046890 |
11 | 3a6a60459719a |
12 | 149081b53020a |
13 | 6c3c06c353c8 |
14 | 31075c386186 |
15 | 168c57836cca |
hex | b527c43e02a |
12448900046890 has 32 divisors (see below), whose sum is σ = 23196686895360. Its totient is φ = 4804537416000.
The previous prime is 12448900046887. The next prime is 12448900046897. The reversal of 12448900046890 is 9864000984421.
It is a happy number.
It is a super-2 number, since 2×124489000468902 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12448900046897) 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, 14371506 + ... + 15213085.
It is an arithmetic number, because the mean of its divisors is an integer number (724896465480).
Almost surely, 212448900046890 is an apocalyptic number.
12448900046890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12448900046890 is a deficient number, since it is larger than the sum of its proper divisors (10747786848470).
12448900046890 is a wasteful number, since it uses less digits than its factorization.
12448900046890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29586078.
The product of its (nonzero) digits is 3981312, while the sum is 55.
The spelling of 12448900046890 in words is "twelve trillion, four hundred forty-eight billion, nine hundred million, forty-six thousand, eight hundred ninety".
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