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20402400114231 = 39537136201509
BaseRepresentation
bin1001010001110010011011…
…10011111011011000110111
32200020110011100021022102020
410220321031303323120313
510133233103412123411
6111220422213044223
74204011331403322
oct450711563733067
980213140238366
1020402400114231
116556677a7a813
122356156626673
13b4cc26c4a9c5
145076a50ad7b9
15255aa7329606
hex128e4dcfb637

20402400114231 has 8 divisors (see below), whose sum is σ = 27231744962160. Its totient is φ = 13587327671232.

The previous prime is 20402400114199. The next prime is 20402400114233. The reversal of 20402400114231 is 13241100420402.

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

It is not a de Polignac number, because 20402400114231 - 25 = 20402400114199 is a prime.

It is a super-2 number, since 2×204024001142312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20402400114233) 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, 3568097896 + ... + 3568103613.

It is an arithmetic number, because the mean of its divisors is an integer number (3403968120270).

Almost surely, 220402400114231 is an apocalyptic number.

20402400114231 is a deficient number, since it is larger than the sum of its proper divisors (6829344847929).

20402400114231 is an equidigital number, since it uses as much as digits as its factorization.

20402400114231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136202465.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20402400114231 its reverse (13241100420402), we get a palindrome (33643500534633).

The spelling of 20402400114231 in words is "twenty trillion, four hundred two billion, four hundred million, one hundred fourteen thousand, two hundred thirty-one".

Divisors: 1 3 953 2859 7136201509 21408604527 6800800038077 20402400114231