Base | Representation |
---|---|
bin | 100010110101111000… |
… | …1001110000110101100 |
3 | 21011010111202021112000 |
4 | 1011223301032012230 |
5 | 2211214030241342 |
6 | 54212322012300 |
7 | 5256112555401 |
oct | 1055361160654 |
9 | 234114667460 |
10 | 74822508972 |
11 | 298063a0482 |
12 | 12601aa7090 |
13 | 70955a0363 |
14 | 389b2b42a8 |
15 | 1e2dba744c |
hex | 116bc4e1ac |
74822508972 has 384 divisors, whose sum is σ = 220631040000. Its totient is φ = 21813732864.
The previous prime is 74822508941. The next prime is 74822508973. The reversal of 74822508972 is 27980522847.
74822508972 is a `hidden beast` number, since 7 + 48 + 2 + 2 + 508 + 97 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (74822508973) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 197420679 + ... + 197421057.
It is an arithmetic number, because the mean of its divisors is an integer number (574560000).
Almost surely, 274822508972 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 74822508972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110315520000).
74822508972 is an abundant number, since it is smaller than the sum of its proper divisors (145808531028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74822508972 is a wasteful number, since it uses less digits than its factorization.
74822508972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 570 (or 562 counting only the distinct ones).
The product of its (nonzero) digits is 4515840, while the sum is 54.
The spelling of 74822508972 in words is "seventy-four billion, eight hundred twenty-two million, five hundred eight thousand, nine hundred seventy-two".
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