Search a number
-
+
5213412440 = 235179779039
BaseRepresentation
bin1001101101011111…
…00101110001011000
3111110022221210101122
410312233211301120
541134113144230
62221153304412
7243123163115
oct46657456130
914408853348
105213412440
112235920a25
121015b65108
13651130a42
1437657590c
15207a5ebe5
hex136be5c58

5213412440 has 64 divisors (see below), whose sum is σ = 12548390400. Its totient is φ = 1942437888.

The previous prime is 5213412439. The next prime is 5213412551. The reversal of 5213412440 is 442143125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26441 + ... + 105479.

It is an arithmetic number, because the mean of its divisors is an integer number (196068600).

Almost surely, 25213412440 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 5213412440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6274195200).

5213412440 is an abundant number, since it is smaller than the sum of its proper divisors (7334977960).

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

5213412440 is a wasteful number, since it uses less digits than its factorization.

5213412440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79164 (or 79160 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 5213412440 is about 72203.9641571015. The cubic root of 5213412440 is about 1733.9664677536.

Adding to 5213412440 its reverse (442143125), we get a palindrome (5655555565).

The spelling of 5213412440 in words is "five billion, two hundred thirteen million, four hundred twelve thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 97 136 170 194 340 388 485 680 776 970 1649 1940 3298 3880 6596 8245 13192 16490 32980 65960 79039 158078 316156 395195 632312 790390 1343663 1580780 2687326 3161560 5374652 6718315 7666783 10749304 13436630 15333566 26873260 30667132 38333915 53746520 61334264 76667830 130335311 153335660 260670622 306671320 521341244 651676555 1042682488 1303353110 2606706220 5213412440