Search a number
-
+
1230400505304 = 2332173797264743
BaseRepresentation
bin10001111001111001100…
…101011100010111011000
311100121212201121210100100
4101321321211130113120
5130124330012132204
62341123240535400
7154615320506565
oct21717145342730
94317781553310
101230400505304
114348a0010743
1217a562781560
138c04593a399
14437a1c2986c
1522013a77a39
hex11e7995c5d8

1230400505304 has 96 divisors (see below), whose sum is σ = 3529296969120. Its totient is φ = 385904882688.

The previous prime is 1230400505281. The next prime is 1230400505353. The reversal of 1230400505304 is 4035050040321.

1230400505304 is a `hidden beast` number, since 1 + 2 + 304 + 0 + 0 + 50 + 5 + 304 = 666.

It is a congruent number.

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, 4515157 + ... + 4779899.

It is an arithmetic number, because the mean of its divisors is an integer number (36763510095).

Almost surely, 21230400505304 is an apocalyptic number.

It is an amenable number.

1230400505304 is an abundant number, since it is smaller than the sum of its proper divisors (2298896463816).

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

1230400505304 is a wasteful number, since it uses less digits than its factorization.

1230400505304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268569 (or 268562 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 1230400505304 its reverse (4035050040321), we get a palindrome (5265450545625).

The spelling of 1230400505304 in words is "one trillion, two hundred thirty billion, four hundred million, five hundred five thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 34 36 51 68 72 102 136 153 204 306 408 612 1224 3797 7594 11391 15188 22782 30376 34173 45564 64549 68346 91128 129098 136692 193647 258196 264743 273384 387294 516392 529486 580941 774588 794229 1058972 1161882 1549176 1588458 2117944 2323764 2382687 3176916 4500631 4647528 4765374 6353832 9001262 9530748 13501893 18002524 19061496 27003786 36005048 40505679 54007572 81011358 108015144 162022716 324045432 1005229171 2010458342 3015687513 4020916684 6031375026 8041833368 9047062539 12062750052 17088895907 18094125078 24125500104 34177791814 36188250156 51266687721 68355583628 72376500312 102533375442 136711167256 153800063163 205066750884 307600126326 410133501768 615200252652 1230400505304