Base | Representation |
---|---|
bin | 1001010001100010… |
… | …00100110111011101 |
3 | 110211222201101111201 |
4 | 10220301010313131 |
5 | 40144100432200 |
6 | 2142015315501 |
7 | 234245062306 |
oct | 45061046735 |
9 | 13758641451 |
10 | 4978920925 |
11 | 212551aa90 |
12 | b6b51bb91 |
13 | 61468b274 |
14 | 3533757ad |
15 | 1e2190c6a |
hex | 128c44ddd |
4978920925 has 24 divisors (see below), whose sum is σ = 6783628320. Its totient is φ = 3594955200.
The previous prime is 4978920923. The next prime is 4978921001. The reversal of 4978920925 is 5290298794.
It is not a de Polignac number, because 4978920925 - 21 = 4978920923 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (55).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4978920923) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26902 + ... + 103351.
It is an arithmetic number, because the mean of its divisors is an integer number (282651180).
Almost surely, 24978920925 is an apocalyptic number.
It is an amenable number.
4978920925 is a deficient number, since it is larger than the sum of its proper divisors (1804707395).
4978920925 is a wasteful number, since it uses less digits than its factorization.
4978920925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130413 (or 130408 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 55.
The square root of 4978920925 is about 70561.4691244450. The cubic root of 4978920925 is about 1707.5695811561.
The spelling of 4978920925 in words is "four billion, nine hundred seventy-eight million, nine hundred twenty thousand, nine hundred twenty-five".
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