Base | Representation |
---|---|
bin | 101111111101001110… |
… | …001011010011110001 |
3 | 11220220122011000221210 |
4 | 233331032023103301 |
5 | 1320424201222431 |
6 | 35353333310333 |
7 | 3502021132545 |
oct | 577516132361 |
9 | 156818130853 |
10 | 51492992241 |
11 | 1a9244a7239 |
12 | 9b90a953a9 |
13 | 4b1817a3a2 |
14 | 26c6b2ba25 |
15 | 15159a7d46 |
hex | bfd38b4f1 |
51492992241 has 16 divisors (see below), whose sum is σ = 71565368384. Its totient is φ = 32902334784.
The previous prime is 51492992207. The next prime is 51492992263. The reversal of 51492992241 is 14229929415.
It is not a de Polignac number, because 51492992241 - 219 = 51492467953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51492922241) 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, 3454510 + ... + 3469383.
It is an arithmetic number, because the mean of its divisors is an integer number (4472835524).
Almost surely, 251492992241 is an apocalyptic number.
It is an amenable number.
51492992241 is a deficient number, since it is larger than the sum of its proper divisors (20072376143).
51492992241 is a wasteful number, since it uses less digits than its factorization.
51492992241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6924000.
The product of its digits is 466560, while the sum is 48.
The spelling of 51492992241 in words is "fifty-one billion, four hundred ninety-two million, nine hundred ninety-two thousand, two hundred forty-one".
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