Base | Representation |
---|---|
bin | 11010110010011000… |
… | …110100001100100010 |
3 | 2202020112000012001000 |
4 | 122302120310030202 |
5 | 432401214402344 |
6 | 21114031252430 |
7 | 2035523343402 |
oct | 326230641442 |
9 | 82215005030 |
10 | 28762653474 |
11 | 1121a84a2a5 |
12 | 56a867a116 |
13 | 2934c25aa9 |
14 | 156bd96802 |
15 | b351b2a69 |
hex | 6b2634322 |
28762653474 has 64 divisors (see below), whose sum is σ = 65459940480. Its totient is φ = 9356497920.
The previous prime is 28762653467. The next prime is 28762653487. The reversal of 28762653474 is 47435626782.
28762653474 is a `hidden beast` number, since 2 + 8 + 7 + 626 + 5 + 3 + 4 + 7 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
Its product of digits (13547520) is a multiple of the sum of its prime factors (10752).
It is a self number, because there is not a number n which added to its sum of digits gives 28762653474.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3062674 + ... + 3072050.
It is an arithmetic number, because the mean of its divisors is an integer number (1022811570).
Almost surely, 228762653474 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28762653474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32729970240).
28762653474 is an abundant number, since it is smaller than the sum of its proper divisors (36697287006).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28762653474 is a wasteful number, since it uses less digits than its factorization.
28762653474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10752 (or 10746 counting only the distinct ones).
The product of its digits is 13547520, while the sum is 54.
The spelling of 28762653474 in words is "twenty-eight billion, seven hundred sixty-two million, six hundred fifty-three thousand, four hundred seventy-four".
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