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104615052540 = 223517431237967
BaseRepresentation
bin110000101101110001…
…0110000010011111100
3101000000210200022011120
41201123202300103330
53203222423140130
6120020503350540
710362313163115
oct1413342602374
9330023608146
10104615052540
1140404519409
1218337452450
139b3299a26b
1450c5d5920c
152ac44a2910
hex185b8b04fc

104615052540 has 96 divisors (see below), whose sum is σ = 310873780224. Its totient is φ = 26195297280.

The previous prime is 104615052511. The next prime is 104615052613. The reversal of 104615052540 is 45250516401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320637 + ... + 558603.

It is an arithmetic number, because the mean of its divisors is an integer number (3238268544).

Almost surely, 2104615052540 is an apocalyptic number.

104615052540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104615052540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155436890112).

104615052540 is an abundant number, since it is smaller than the sum of its proper divisors (206258727684).

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

104615052540 is a wasteful number, since it uses less digits than its factorization.

104615052540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238427 (or 238425 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 104615052540 its reverse (45250516401), we get a palindrome (149865568941).

The spelling of 104615052540 in words is "one hundred four billion, six hundred fifteen million, fifty-two thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 431 510 862 1020 1293 1724 2155 2586 4310 5172 6465 7327 8620 12930 14654 21981 25860 29308 36635 43962 73270 87924 109905 146540 219810 237967 439620 475934 713901 951868 1189835 1427802 2379670 2855604 3569505 4045439 4759340 7139010 8090878 12136317 14278020 16181756 20227195 24272634 40454390 48545268 60681585 80908780 102563777 121363170 205127554 242726340 307691331 410255108 512818885 615382662 1025637770 1230765324 1538456655 1743584209 2051275540 3076913310 3487168418 5230752627 6153826620 6974336836 8717921045 10461505254 17435842090 20923010508 26153763135 34871684180 52307526270 104615052540