Base | Representation |
---|---|
bin | 111001001000101000… |
… | …001100100100011010 |
3 | 12212100110011021112022 |
4 | 321020220030210122 |
5 | 2001120044221223 |
6 | 44103301214442 |
7 | 4301155504244 |
oct | 711050144432 |
9 | 185313137468 |
10 | 61348038938 |
11 | 2402140672a |
12 | ba81401422 |
13 | 5a28b14a74 |
14 | 2d7d91b094 |
15 | 18e0c81ac8 |
hex | e48a0c91a |
61348038938 has 16 divisors (see below), whose sum is σ = 95144029440. Its totient is φ = 29636560800.
The previous prime is 61348038919. The next prime is 61348038979. The reversal of 61348038938 is 83983084316.
It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 61348038938.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760883 + ... + 837638.
It is an arithmetic number, because the mean of its divisors is an integer number (5946501840).
Almost surely, 261348038938 is an apocalyptic number.
61348038938 is a deficient number, since it is larger than the sum of its proper divisors (33795990502).
61348038938 is a wasteful number, since it uses less digits than its factorization.
61348038938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1599173.
The product of its (nonzero) digits is 2985984, while the sum is 53.
The spelling of 61348038938 in words is "sixty-one billion, three hundred forty-eight million, thirty-eight thousand, nine hundred thirty-eight".
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