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113431340420401 = 269871814836809
BaseRepresentation
bin11001110010101001001010…
…110000001000110100110001
3112212121221010010220202001011
4121302221022300020310301
5104331424341121423101
61041125345521310521
732615100234043003
oct3162511260106461
9485557103822034
10113431340420401
1133162a63577a53
121087b906495441
134b3a6b6422743
14200216b488373
15d1a921ea0751
hex672a4ac08d31

113431340420401 has 8 divisors (see below), whose sum is σ = 113854347743400. Its totient is φ = 113008342945920.

The previous prime is 113431340420393. The next prime is 113431340420413. The reversal of 113431340420401 is 104024043134311.

It can be written as a sum of positive squares in 4 ways, for example, as 47015034276001 + 66416306144400 = 6856751^2 + 8149620^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113431340420401 - 23 = 113431340420393 is a prime.

It is a super-2 number, since 2×1134313404204012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113431340429401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21033285 + ... + 25870093.

It is an arithmetic number, because the mean of its divisors is an integer number (14231793467925).

Almost surely, 2113431340420401 is an apocalyptic number.

It is an amenable number.

113431340420401 is a deficient number, since it is larger than the sum of its proper divisors (423007322999).

113431340420401 is an equidigital number, since it uses as much as digits as its factorization.

113431340420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4924259.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 113431340420401 its reverse (104024043134311), we get a palindrome (217455383554712).

The spelling of 113431340420401 in words is "one hundred thirteen trillion, four hundred thirty-one billion, three hundred forty million, four hundred twenty thousand, four hundred one".

Divisors: 1 269 87181 4836809 23451689 1301101621 421677845429 113431340420401