Base | Representation |
---|---|
bin | 111101000110011101… |
… | …1111110010110110000 |
3 | 110112200111110000200001 |
4 | 1322030323332112300 |
5 | 4122211132113044 |
6 | 140140105435344 |
7 | 12323410531663 |
oct | 1721473762660 |
9 | 415614400601 |
10 | 131213551024 |
11 | 507136a0a66 |
12 | 2151b19bb54 |
13 | c4b1431c6a |
14 | 64ca7256da |
15 | 362e6792d4 |
hex | 1e8cefe5b0 |
131213551024 has 20 divisors (see below), whose sum is σ = 254890043136. Its totient is φ = 65435475392.
The previous prime is 131213550989. The next prime is 131213551121. The reversal of 131213551024 is 420155312131.
It is a junction number, because it is equal to n+sod(n) for n = 131213550983 and 131213551001.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10699939 + ... + 10712194.
Almost surely, 2131213551024 is an apocalyptic number.
It is an amenable number.
131213551024 is a deficient number, since it is larger than the sum of its proper divisors (123676492112).
131213551024 is a wasteful number, since it uses less digits than its factorization.
131213551024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21412524 (or 21412518 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 28.
Adding to 131213551024 its reverse (420155312131), we get a palindrome (551368863155).
The spelling of 131213551024 in words is "one hundred thirty-one billion, two hundred thirteen million, five hundred fifty-one thousand, twenty-four".
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