Search a number
-
+
142450224340 = 2258353852689
BaseRepresentation
bin1000010010101010110…
…0011110110011010100
3111121200121020011122211
42010222230132303110
54313214224134330
6145235110403204
713202022633334
oct2045254366324
9447617204584
10142450224340
115545a48aa36
1223736360504
13105823b4198
146c74c030c4
153a8adb8d2a
hex212ab1ecd4

142450224340 has 24 divisors (see below), whose sum is σ = 299181634920. Its totient is φ = 56973201408.

The previous prime is 142450224281. The next prime is 142450224353. The reversal of 142450224340 is 43422054241.

It can be written as a sum of positive squares in 4 ways, for example, as 844018704 + 141606205636 = 29052^2 + 376306^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259285 + ... + 593404.

It is an arithmetic number, because the mean of its divisors is an integer number (12465901455).

Almost surely, 2142450224340 is an apocalyptic number.

142450224340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142450224340 is an abundant number, since it is smaller than the sum of its proper divisors (156731410580).

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

142450224340 is a wasteful number, since it uses less digits than its factorization.

142450224340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861051 (or 861049 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 142450224340 its reverse (43422054241), we get a palindrome (185872278581).

The spelling of 142450224340 in words is "one hundred forty-two billion, four hundred fifty million, two hundred twenty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 8353 16706 33412 41765 83530 167060 852689 1705378 3410756 4263445 8526890 17053780 7122511217 14245022434 28490044868 35612556085 71225112170 142450224340