Search a number
-
+
142148074868 = 2248772971291
BaseRepresentation
bin1000010001100010101…
…1110111110101110100
3111120220112200101111122
42010120223313311310
54312104401343433
6145145114323112
713161363462152
oct2043053676564
9446815611448
10142148074868
1155314978628
1223671129498
1310534912c07
146c46a303d2
153a6e5d3198
hex2118af7d74

142148074868 has 12 divisors (see below), whose sum is σ = 249269933472. Its totient is φ = 70928093880.

The previous prime is 142148074853. The next prime is 142148074879. The reversal of 142148074868 is 868470841241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36483698 + ... + 36487593.

It is an arithmetic number, because the mean of its divisors is an integer number (20772494456).

Almost surely, 2142148074868 is an apocalyptic number.

It is an amenable number.

142148074868 is a deficient number, since it is larger than the sum of its proper divisors (107121858604).

142148074868 is a wasteful number, since it uses less digits than its factorization.

142148074868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72971782 (or 72971780 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 53.

The spelling of 142148074868 in words is "one hundred forty-two billion, one hundred forty-eight million, seventy-four thousand, eight hundred sixty-eight".

Divisors: 1 2 4 487 974 1948 72971291 145942582 291885164 35537018717 71074037434 142148074868