Search a number
-
+
69531388260 = 223511310255367
BaseRepresentation
bin100000011000001100…
…1001100100101100100
320122110202120111102020
41000300121030211210
52114400013411020
651535310543140
75011024022445
oct1006031144544
9218422514366
1069531388260
1127540724144
1211585b07ab0
1367313323b9
1435186b12cc
151c1e3e7c40
hex103064c964

69531388260 has 48 divisors (see below), whose sum is σ = 196410807936. Its totient is φ = 18377615872.

The previous prime is 69531388189. The next prime is 69531388273. The reversal of 69531388260 is 6288313596.

It is a happy number.

It is a super-2 number, since 2×695313882602 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5120904 + ... + 5134463.

It is an arithmetic number, because the mean of its divisors is an integer number (4091891832).

Almost surely, 269531388260 is an apocalyptic number.

69531388260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69531388260 is an abundant number, since it is smaller than the sum of its proper divisors (126879419676).

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

69531388260 is a wasteful number, since it uses less digits than its factorization.

69531388260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10255492 (or 10255490 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 69531388260 in words is "sixty-nine billion, five hundred thirty-one million, three hundred eighty-eight thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 113 226 339 452 565 678 1130 1356 1695 2260 3390 6780 10255367 20510734 30766101 41021468 51276835 61532202 102553670 123064404 153830505 205107340 307661010 615322020 1158856471 2317712942 3476569413 4635425884 5794282355 6953138826 11588564710 13906277652 17382847065 23177129420 34765694130 69531388260