Search a number
-
+
20413223031406 = 267152337485309
BaseRepresentation
bin1001010010000110100101…
…11010000101001001101110
32200021111002121111110200111
410221003102322011021232
510133422240044001111
6111225412153450234
74204543460600602
oct451032272051156
980244077443614
1020413223031406
116560221258667
12235827711097a
13b50c602831ca
14508010645502
15255edc589a21
hex1290d2e8526e

20413223031406 has 8 divisors (see below), whose sum is σ = 31076847003240. Its totient is φ = 10054274030328.

The previous prime is 20413223031401. The next prime is 20413223031451. The reversal of 20413223031406 is 60413032231402.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413223031401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76168742521 + ... + 76168742788.

It is an arithmetic number, because the mean of its divisors is an integer number (3884605875405).

Almost surely, 220413223031406 is an apocalyptic number.

20413223031406 is a deficient number, since it is larger than the sum of its proper divisors (10663623971834).

20413223031406 is a wasteful number, since it uses less digits than its factorization.

20413223031406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152337485378.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 20413223031406 its reverse (60413032231402), we get a palindrome (80826255262808).

The spelling of 20413223031406 in words is "twenty trillion, four hundred thirteen billion, two hundred twenty-three million, thirty-one thousand, four hundred six".

Divisors: 1 2 67 134 152337485309 304674970618 10206611515703 20413223031406