Base | Representation |
---|---|
bin | 101110010000110111… |
… | …000011111010000001 |
3 | 11202012221021010012222 |
4 | 232100313003322001 |
5 | 1303213244241111 |
6 | 34453111300425 |
7 | 3405664322204 |
oct | 562067037201 |
9 | 152187233188 |
10 | 49674993281 |
11 | 1a081269761 |
12 | 976407a715 |
13 | 48b8627964 |
14 | 25934cb93b |
15 | 145b0967db |
hex | b90dc3e81 |
49674993281 has 8 divisors (see below), whose sum is σ = 49729293600. Its totient is φ = 49620725280.
The previous prime is 49674993271. The next prime is 49674993307. The reversal of 49674993281 is 18239947694.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 49674993281 - 222 = 49670798977 is a prime.
It is a super-2 number, since 2×496749932812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49674993271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4143626 + ... + 4155596.
It is an arithmetic number, because the mean of its divisors is an integer number (6216161700).
Almost surely, 249674993281 is an apocalyptic number.
It is an amenable number.
49674993281 is a deficient number, since it is larger than the sum of its proper divisors (54300319).
49674993281 is a wasteful number, since it uses less digits than its factorization.
49674993281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16159.
The product of its digits is 23514624, while the sum is 62.
The spelling of 49674993281 in words is "forty-nine billion, six hundred seventy-four million, nine hundred ninety-three thousand, two hundred eighty-one".
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