Search a number
-
+
20130141320340 = 22351719735432667
BaseRepresentation
bin1001001001110111010011…
…11011000011010010010100
32122021102102011022120100020
410210323221323003102110
510114303012134222330
6110451354222145140
74145232445005612
oct444735173032224
978242364276306
1020130141320340
116461165a90237
1223114337221b0
13b3035853886c
144d84383d26b2
1524d970312210
hex124ee9ec3494

20130141320340 has 48 divisors (see below), whose sum is σ = 59679948388032. Its totient is φ = 5052270762496.

The previous prime is 20130141320309. The next prime is 20130141320449. The reversal of 20130141320340 is 4302314103102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20130141320340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9867715314 + ... + 9867717353.

It is an arithmetic number, because the mean of its divisors is an integer number (1243332258084).

Almost surely, 220130141320340 is an apocalyptic number.

20130141320340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130141320340 is an abundant number, since it is smaller than the sum of its proper divisors (39549807067692).

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

20130141320340 is a wasteful number, since it uses less digits than its factorization.

20130141320340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19735432696 (or 19735432694 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20130141320340 its reverse (4302314103102), we get a palindrome (24432455423442).

The spelling of 20130141320340 in words is "twenty trillion, one hundred thirty billion, one hundred forty-one million, three hundred twenty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 19735432667 39470865334 59206298001 78941730668 98677163335 118412596002 197354326670 236825192004 296031490005 335502355339 394708653340 592062980010 671004710678 1006507066017 1184125960020 1342009421356 1677511776695 2013014132034 3355023553390 4026028264068 5032535330085 6710047106780 10065070660170 20130141320340