Search a number
-
+
5142515220 = 2232585333493
BaseRepresentation
bin1001100101000010…
…01000111000010100
3111021101112211200200
410302201020320110
541012440441340
62210141540500
7241302441513
oct46241107024
914241484620
105142515220
1121a98a7887
12bb6274730
1363c539a1b
1436ad9c67a
15201708330
hex132848e14

5142515220 has 72 divisors (see below), whose sum is σ = 15617716296. Its totient is φ = 1369688832.

The previous prime is 5142515173. The next prime is 5142515221. The reversal of 5142515220 is 225152415.

5142515220 is a `hidden beast` number, since 5 + 1 + 425 + 15 + 220 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 902161296 + 4240353924 = 30036^2 + 65118^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142515221) 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, 136794 + ... + 170286.

Almost surely, 25142515220 is an apocalyptic number.

It is an amenable number.

5142515220 is an abundant number, since it is smaller than the sum of its proper divisors (10475201076).

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

5142515220 is a wasteful number, since it uses less digits than its factorization.

5142515220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34361 (or 34356 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 5142515220 is about 71711.3325772154. The cubic root of 5142515220 is about 1726.0704936999.

Adding to 5142515220 its reverse (225152415), we get a palindrome (5367667635).

The spelling of 5142515220 in words is "five billion, one hundred forty-two million, five hundred fifteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 853 1706 2559 3412 4265 5118 7677 8530 10236 12795 15354 17060 25590 30708 33493 38385 51180 66986 76770 100479 133972 153540 167465 200958 301437 334930 401916 502395 602874 669860 1004790 1205748 1507185 2009580 3014370 6028740 28569529 57139058 85708587 114278116 142847645 171417174 257125761 285695290 342834348 428542935 514251522 571390580 857085870 1028503044 1285628805 1714171740 2571257610 5142515220