Search a number
-
+
13420466445620 = 2251351617178637
BaseRepresentation
bin1100001101001011001000…
…1000101001110100110100
31202111222120101022001121202
43003102302020221310310
53224340103402224440
644313135511432032
72553411445412153
oct303226210516464
952458511261552
1013420466445620
11430465148a663
121608b87085618
137647105086c0
143457a840d59a
1518416cc37615
hexc34b2229d34

13420466445620 has 24 divisors (see below), whose sum is σ = 30350901039144. Its totient is φ = 4955249149056.

The previous prime is 13420466445619. The next prime is 13420466445629. The reversal of 13420466445620 is 2654466402431.

It can be written as a sum of positive squares in 4 ways, for example, as 460495245604 + 12959971200016 = 678598^2 + 3599996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420466445629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25808589059 + ... + 25808589578.

It is an arithmetic number, because the mean of its divisors is an integer number (1264620876631).

Almost surely, 213420466445620 is an apocalyptic number.

13420466445620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13420466445620 is an abundant number, since it is smaller than the sum of its proper divisors (16930434593524).

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

13420466445620 is a wasteful number, since it uses less digits than its factorization.

13420466445620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51617178659 (or 51617178657 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 13420466445620 in words is "thirteen trillion, four hundred twenty billion, four hundred sixty-six million, four hundred forty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 51617178637 103234357274 206468714548 258085893185 516171786370 671023322281 1032343572740 1342046644562 2684093289124 3355116611405 6710233222810 13420466445620