Search a number
-
+
131403021041420 = 2256570151052071
BaseRepresentation
bin11101111000001010100110…
…011001000011111100001100
3122020021000011110121212222122
4131320022212121003330030
5114210401341341311140
61143245414200032112
736451361233611452
oct3570124631037414
9566230143555878
10131403021041420
1138961787787667
12128a2951a62638
13584233702ca1b
142463d23aca9d2
15102d162a56ab5
hex7782a6643f0c

131403021041420 has 12 divisors (see below), whose sum is σ = 275946344187024. Its totient is φ = 52561208416560.

The previous prime is 131403021041399. The next prime is 131403021041423. The reversal of 131403021041420 is 24140120304131.

It is a super-2 number, since 2×1314030210414202 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131403021041420.

It is not an unprimeable number, because it can be changed into a prime (131403021041423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3285075526016 + ... + 3285075526055.

It is an arithmetic number, because the mean of its divisors is an integer number (22995528682252).

Almost surely, 2131403021041420 is an apocalyptic number.

131403021041420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131403021041420 is an abundant number, since it is smaller than the sum of its proper divisors (144543323145604).

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

131403021041420 is a wasteful number, since it uses less digits than its factorization.

131403021041420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570151052080 (or 6570151052078 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131403021041420 its reverse (24140120304131), we get a palindrome (155543141345551).

The spelling of 131403021041420 in words is "one hundred thirty-one trillion, four hundred three billion, twenty-one million, forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 6570151052071 13140302104142 26280604208284 32850755260355 65701510520710 131403021041420