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5115988956 = 22313210124977
BaseRepresentation
bin1001100001110111…
…11100101111011100
3111012112122011111110
410300323330233130
540434143121311
62203353222020
7240531121461
oct46073745734
914175564443
105115988956
11219592a251
12ba9401910
13636bacc00
14367655668
151ee2188a6
hex130efcbdc

5115988956 has 72 divisors (see below), whose sum is σ = 13054701744. Its totient is φ = 1558502400.

The previous prime is 5115988951. The next prime is 5115989003. The reversal of 5115988956 is 6598895115.

It is a junction number, because it is equal to n+sod(n) for n = 5115988896 and 5115988905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5115988951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192340 + ... + 217316.

It is an arithmetic number, because the mean of its divisors is an integer number (181315302).

Almost surely, 25115988956 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 5115988956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6527350872).

5115988956 is an abundant number, since it is smaller than the sum of its proper divisors (7938712788).

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

5115988956 is a wasteful number, since it uses less digits than its factorization.

5115988956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25111 (or 25096 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 57.

The square root of 5115988956 is about 71526.1417664898. The cubic root of 5115988956 is about 1723.0975546332.

The spelling of 5115988956 in words is "five billion, one hundred fifteen million, nine hundred eighty-eight thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 101 156 169 202 303 338 404 507 606 676 1014 1212 1313 2028 2626 3939 5252 7878 15756 17069 24977 34138 49954 51207 68276 74931 99908 102414 149862 204828 299724 324701 649402 974103 1298804 1948206 2522677 3896412 4221113 5045354 7568031 8442226 10090708 12663339 15136062 16884452 25326678 30272124 32794801 50653356 65589602 98384403 131179204 196768806 393537612 426332413 852664826 1278997239 1705329652 2557994478 5115988956