Base | Representation |
---|---|
bin | 100010011110110100… |
… | …0111000110110011110 |
3 | 21002010120110020201110 |
4 | 1010331220320312132 |
5 | 2203122413312310 |
6 | 54003433522450 |
7 | 5230664324661 |
oct | 1047550706636 |
9 | 232116406643 |
10 | 74048572830 |
11 | 29449541831 |
12 | 12426873426 |
13 | 6ca114498b |
14 | 38265b16d8 |
15 | 1dd5c7cd20 |
hex | 113da38d9e |
74048572830 has 64 divisors (see below), whose sum is σ = 181208455488. Its totient is φ = 19360373760.
The previous prime is 74048572753. The next prime is 74048572831. The reversal of 74048572830 is 3827584047.
It is a super-2 number, since 2×740485728302 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 74048572830.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74048572831) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508152 + ... + 637428.
It is an arithmetic number, because the mean of its divisors is an integer number (2831382117).
Almost surely, 274048572830 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 74048572830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90604227744).
74048572830 is an abundant number, since it is smaller than the sum of its proper divisors (107159882658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74048572830 is a wasteful number, since it uses less digits than its factorization.
74048572830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129661.
The product of its (nonzero) digits is 1505280, while the sum is 48.
The spelling of 74048572830 in words is "seventy-four billion, forty-eight million, five hundred seventy-two thousand, eight hundred thirty".
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