Base | Representation |
---|---|
bin | 110111111011110111… |
… | …1010110010110101000 |
3 | 102111001101220201201100 |
4 | 1233313233112112220 |
5 | 3432001322023142 |
6 | 131103235121400 |
7 | 11451461263143 |
oct | 1576757262650 |
9 | 374041821640 |
10 | 120120501672 |
11 | 46a40989886 |
12 | 1b344143260 |
13 | b434158732 |
14 | 5b5735305a |
15 | 31d0859b4c |
hex | 1bf7bd65a8 |
120120501672 has 48 divisors (see below), whose sum is σ = 330659589780. Its totient is φ = 39383769600.
The previous prime is 120120501617. The next prime is 120120501679. The reversal of 120120501672 is 276105021021.
It can be written as a sum of positive squares in 2 ways, for example, as 117913944996 + 2206556676 = 343386^2 + 46974^2 .
It is not an unprimeable number, because it can be changed into a prime (120120501679) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13670529 + ... + 13679312.
Almost surely, 2120120501672 is an apocalyptic number.
120120501672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120120501672 is an abundant number, since it is smaller than the sum of its proper divisors (210539088108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120120501672 is a wasteful number, since it uses less digits than its factorization.
120120501672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27349914 (or 27349907 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
Adding to 120120501672 its reverse (276105021021), we get a palindrome (396225522693).
The spelling of 120120501672 in words is "one hundred twenty billion, one hundred twenty million, five hundred one thousand, six hundred seventy-two".
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