Base | Representation |
---|---|
bin | 100010111010010110… |
… | …0010101001100101000 |
3 | 21011111221110111112011 |
4 | 1011310230111030220 |
5 | 2212020342102443 |
6 | 54235230525304 |
7 | 5262611242300 |
oct | 1056454251450 |
9 | 234457414464 |
10 | 74972222248 |
11 | 29882957260 |
12 | 12644066834 |
13 | 70ba5cb8b1 |
14 | 38b3126600 |
15 | 1e3bdcbb9d |
hex | 1174b15328 |
74972222248 has 96 divisors (see below), whose sum is σ = 178817436000. Its totient is φ = 29139868800.
The previous prime is 74972222207. The next prime is 74972222263. The reversal of 74972222248 is 84222227947.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1794703 + ... + 1836001.
It is an arithmetic number, because the mean of its divisors is an integer number (1862681625).
Almost surely, 274972222248 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 74972222248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89408718000).
74972222248 is an abundant number, since it is smaller than the sum of its proper divisors (103845213752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74972222248 is a wasteful number, since it uses less digits than its factorization.
74972222248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41751 (or 41740 counting only the distinct ones).
The product of its digits is 1806336, while the sum is 49.
The spelling of 74972222248 in words is "seventy-four billion, nine hundred seventy-two million, two hundred twenty-two thousand, two hundred forty-eight".
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