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8513428092 = 22313373146309
BaseRepresentation
bin1111110110111000…
…01001101001111100
3210222022111221211120
413323130021221330
5114413414144332
63524440150540
7420653642031
oct77334115174
923868457746
108513428092
113679676594
121797168450
13a58a1a220
145aa957388
1534c61732c
hex1fb709a7c

8513428092 has 48 divisors (see below), whose sum is σ = 21450216480. Its totient is φ = 2612475648.

The previous prime is 8513428051. The next prime is 8513428093. The reversal of 8513428092 is 2908243158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8513428093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14967 + ... + 131342.

It is an arithmetic number, because the mean of its divisors is an integer number (446879510).

Almost surely, 28513428092 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 8513428092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10725108240).

8513428092 is an abundant number, since it is smaller than the sum of its proper divisors (12936788388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8513428092 is a wasteful number, since it uses less digits than its factorization.

8513428092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146702 (or 146700 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 8513428092 is about 92268.2398878401. The cubic root of 8513428092 is about 2041.9016686770.

The spelling of 8513428092 in words is "eight billion, five hundred thirteen million, four hundred twenty-eight thousand, ninety-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 373 746 1119 1492 2238 4476 4849 9698 14547 19396 29094 58188 146309 292618 438927 585236 877854 1755708 1902017 3804034 5706051 7608068 11412102 22824204 54573257 109146514 163719771 218293028 327439542 654879084 709452341 1418904682 2128357023 2837809364 4256714046 8513428092