Search a number
-
+
8302815138 = 236720653769
BaseRepresentation
bin1111011101110001…
…01110011110100010
3210102122012201011210
413232320232132202
5114001010041023
63451514050550
7412515523062
oct75670563642
923378181153
108302815138
1135807a49a2
121738719a56
13a241b8387
1458a9b13a2
15338db3593
hex1eee2e7a2

8302815138 has 16 divisors (see below), whose sum is σ = 16853476320. Its totient is φ = 2726297376.

The previous prime is 8302815109. The next prime is 8302815173. The reversal of 8302815138 is 8315182038.

It is a junction number, because it is equal to n+sod(n) for n = 8302815096 and 8302815105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10326483 + ... + 10327286.

It is an arithmetic number, because the mean of its divisors is an integer number (1053342270).

Almost surely, 28302815138 is an apocalyptic number.

8302815138 is an abundant number, since it is smaller than the sum of its proper divisors (8550661182).

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

8302815138 is a wasteful number, since it uses less digits than its factorization.

8302815138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20653841.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 8302815138 is about 91119.7845585688. The cubic root of 8302815138 is about 2024.9227334640.

The spelling of 8302815138 in words is "eight billion, three hundred two million, eight hundred fifteen thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 67 134 201 402 20653769 41307538 61961307 123922614 1383802523 2767605046 4151407569 8302815138