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12445520342300 = 22521723318299753
BaseRepresentation
bin1011010100011011001011…
…0100011010110100011100
31122001210001201012110021222
42311012302310122310130
53112401411201423200
642245220525112512
72423105411311523
oct265066264326434
948053051173258
1012445520342300
113a6912a863101
1214900376b8738
136c37b89972c6
1431051b57d4ba
15168b0ac8cd85
hexb51b2d1ad1c

12445520342300 has 72 divisors (see below), whose sum is σ = 29838692138976. Its totient is φ = 4481660508160.

The previous prime is 12445520342291. The next prime is 12445520342327. The reversal of 12445520342300 is 324302554421.

It is a happy number.

12445520342300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 159110777 + ... + 159188976.

It is an arithmetic number, because the mean of its divisors is an integer number (414426279708).

Almost surely, 212445520342300 is an apocalyptic number.

12445520342300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12445520342300 is an abundant number, since it is smaller than the sum of its proper divisors (17393171796676).

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

12445520342300 is a wasteful number, since it uses less digits than its factorization.

12445520342300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318299807 (or 318299800 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 12445520342300 its reverse (324302554421), we get a palindrome (12769822896721).

The spelling of 12445520342300 in words is "twelve trillion, four hundred forty-five billion, five hundred twenty million, three hundred forty-two thousand, three hundred".

Divisors: 1 2 4 5 10 17 20 23 25 34 46 50 68 85 92 100 115 170 230 340 391 425 460 575 782 850 1150 1564 1700 1955 2300 3910 7820 9775 19550 39100 318299753 636599506 1273199012 1591498765 3182997530 5411095801 6365995060 7320894319 7957493825 10822191602 14641788638 15914987650 21644383204 27055479005 29283577276 31829975300 36604471595 54110958010 73208943190 108221916020 124455203423 135277395025 146417886380 183022357975 248910406846 270554790050 366044715950 497820813692 541109580100 622276017115 732089431900 1244552034230 2489104068460 3111380085575 6222760171150 12445520342300