Base | Representation |
---|---|
bin | 110111111111110000… |
… | …1100101111001010101 |
3 | 102111101111200110211121 |
4 | 1233333201211321111 |
5 | 3432233241104140 |
6 | 131124222403541 |
7 | 11454635411260 |
oct | 1577741457125 |
9 | 374344613747 |
10 | 120251113045 |
11 | 46aa8689068 |
12 | 1b37ba305b1 |
13 | b45522957b |
14 | 5b6a831cd7 |
15 | 31dc05964a |
hex | 1bff865e55 |
120251113045 has 64 divisors (see below), whose sum is σ = 180782046720. Its totient is φ = 74871595008.
The previous prime is 120251113043. The next prime is 120251113051. The reversal of 120251113045 is 540311152021.
It is not a de Polignac number, because 120251113045 - 21 = 120251113043 is a prime.
It is a super-2 number, since 2×1202511130452 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120251113043) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33006994 + ... + 33010636.
It is an arithmetic number, because the mean of its divisors is an integer number (2824719480).
Almost surely, 2120251113045 is an apocalyptic number.
It is an amenable number.
120251113045 is a deficient number, since it is larger than the sum of its proper divisors (60530933675).
120251113045 is a wasteful number, since it uses less digits than its factorization.
120251113045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5614.
The product of its (nonzero) digits is 1200, while the sum is 25.
Adding to 120251113045 its reverse (540311152021), we get a palindrome (660562265066).
The spelling of 120251113045 in words is "one hundred twenty billion, two hundred fifty-one million, one hundred thirteen thousand, forty-five".
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