Search a number
-
+
215345300130 = 232516673143509
BaseRepresentation
bin1100100010001110010…
…1001000001010100010
3202120211210011200220200
43020203211020022202
512012011344101010
6242532301050030
721362312564232
oct3104345101242
9676753150820
10215345300130
1183366898324
123589a856916
13173cb56711c
14a5cc10bcc2
155905744cc0
hex32239482a2

215345300130 has 48 divisors (see below), whose sum is σ = 559935263160. Its totient is φ = 57421569024.

The previous prime is 215345300129. The next prime is 215345300167. The reversal of 215345300130 is 31003543512.

215345300130 is a `hidden beast` number, since 2 + 1 + 5 + 345 + 300 + 13 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 212068539081 + 3276761049 = 460509^2 + 57243^2 .

It is a junction number, because it is equal to n+sod(n) for n = 215345300094 and 215345300103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1428816 + ... + 1572324.

Almost surely, 2215345300130 is an apocalyptic number.

215345300130 is an abundant number, since it is smaller than the sum of its proper divisors (344589963030).

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

215345300130 is a wasteful number, since it uses less digits than its factorization.

215345300130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160195 (or 160192 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 215345300130 its reverse (31003543512), we get a palindrome (246348843642).

The spelling of 215345300130 in words is "two hundred fifteen billion, three hundred forty-five million, three hundred thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 16673 33346 50019 83365 100038 143509 150057 166730 250095 287018 300114 430527 500190 717545 750285 861054 1291581 1435090 1500570 2152635 2583162 4305270 6457905 12915810 2392725557 4785451114 7178176671 11963627785 14356353342 21534530013 23927255570 35890883355 43069060026 71781766710 107672650065 215345300130