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20434315110 = 2351161922167
BaseRepresentation
bin10011000001111110…
…101110011101100110
31221202002202202120120
4103001332232131212
5313322141040420
613215402142410
71322244545466
oct230176563546
957662682516
1020434315110
118736702430
123b634b1a06
131c08672321
14dbbc5dba6
157e8e5bd40
hex4c1fae766

20434315110 has 32 divisors (see below), whose sum is σ = 53500753152. Its totient is φ = 4953773280.

The previous prime is 20434315039. The next prime is 20434315117. The reversal of 20434315110 is 1151343402.

It is a happy number.

20434315110 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204343151102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434315117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30960754 + ... + 30961413.

It is an arithmetic number, because the mean of its divisors is an integer number (1671898536).

Almost surely, 220434315110 is an apocalyptic number.

20434315110 is an abundant number, since it is smaller than the sum of its proper divisors (33066438042).

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

20434315110 is a wasteful number, since it uses less digits than its factorization.

20434315110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61922188.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 20434315110 its reverse (1151343402), we get a palindrome (21585658512).

It can be divided in two parts, 204343 and 15110, that added together give a triangular number (219453 = T662).

The spelling of 20434315110 in words is "twenty billion, four hundred thirty-four million, three hundred fifteen thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 61922167 123844334 185766501 309610835 371533002 619221670 681143837 928832505 1362287674 1857665010 2043431511 3405719185 4086863022 6811438370 10217157555 20434315110