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20402130413130 = 235680071013771
BaseRepresentation
bin1001010001110001111011…
…01111000110011001001010
32200020102110112210002001120
410220320331233012121022
510133232030341210010
6111220335340300110
74204001545105614
oct450707557063112
980212415702046
1020402130413130
116556549810344
1223560a0241636
13b4cbb30cac5b
1450767b345db4
15255a8d802e70
hex128e3dbc664a

20402130413130 has 16 divisors (see below), whose sum is σ = 48965112991584. Its totient is φ = 5440568110160.

The previous prime is 20402130413129. The next prime is 20402130413183. The reversal of 20402130413130 is 3131403120402.

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 20402130413130.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 340035506856 + ... + 340035506915.

It is an arithmetic number, because the mean of its divisors is an integer number (3060319561974).

Almost surely, 220402130413130 is an apocalyptic number.

20402130413130 is an abundant number, since it is smaller than the sum of its proper divisors (28562982578454).

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

20402130413130 is a wasteful number, since it uses less digits than its factorization.

20402130413130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680071013781.

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

Adding to 20402130413130 its reverse (3131403120402), we get a palindrome (23533533533532).

The spelling of 20402130413130 in words is "twenty trillion, four hundred two billion, one hundred thirty million, four hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 680071013771 1360142027542 2040213041313 3400355068855 4080426082626 6800710137710 10201065206565 20402130413130