Search a number
-
+
142451043132 = 22313786649053
BaseRepresentation
bin1000010010101010111…
…1100110101100111100
3111121200122202202211110
42010222233212230330
54313214431340012
6145235140122020
713202032613436
oct2045257465474
9447618682743
10142451043132
115545a99a122
1223736696310
131058260ca88
146c74d77656
153a8aecb73c
hex212abe6b3c

142451043132 has 24 divisors (see below), whose sum is σ = 334811944656. Its totient is φ = 47137084288.

The previous prime is 142451043121. The next prime is 142451043157. The reversal of 142451043132 is 231340154241.

It is a self number, because there is not a number n which added to its sum of digits gives 142451043132.

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, 43322883 + ... + 43326170.

It is an arithmetic number, because the mean of its divisors is an integer number (13950497694).

Almost surely, 2142451043132 is an apocalyptic number.

142451043132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142451043132 is an abundant number, since it is smaller than the sum of its proper divisors (192360901524).

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

142451043132 is a wasteful number, since it uses less digits than its factorization.

142451043132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86649197 (or 86649195 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 142451043132 its reverse (231340154241), we get a palindrome (373791197373).

The spelling of 142451043132 in words is "one hundred forty-two billion, four hundred fifty-one million, forty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 86649053 173298106 259947159 346596212 519894318 1039788636 11870920261 23741840522 35612760783 47483681044 71225521566 142451043132