Base | Representation |
---|---|
bin | 100001111010110110… |
… | …1100110001010000110 |
3 | 20222000110210020200010 |
4 | 1003311231212022012 |
5 | 2143140003104210 |
6 | 53244005331050 |
7 | 5156042326062 |
oct | 1036555461206 |
9 | 228013706603 |
10 | 72841847430 |
11 | 2898a362110 |
12 | 1214a706a86 |
13 | 6b3b137291 |
14 | 3750210aa2 |
15 | 1d64d64920 |
hex | 10f5b66286 |
72841847430 has 64 divisors (see below), whose sum is σ = 191546208000. Its totient is φ = 17581499520.
The previous prime is 72841847413. The next prime is 72841847431. The reversal of 72841847430 is 3474814827.
It is a self number, because there is not a number n which added to its sum of digits gives 72841847430.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72841847431) 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, 406380 + ... + 557519.
It is an arithmetic number, because the mean of its divisors is an integer number (2992909500).
Almost surely, 272841847430 is an apocalyptic number.
72841847430 is an abundant number, since it is smaller than the sum of its proper divisors (118704360570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72841847430 is a wasteful number, since it uses less digits than its factorization.
72841847430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 964149.
The product of its (nonzero) digits is 1204224, while the sum is 48.
The spelling of 72841847430 in words is "seventy-two billion, eight hundred forty-one million, eight hundred forty-seven thousand, four hundred thirty".
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