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142763321940 = 22352379388699
BaseRepresentation
bin1000010011110101011…
…0110110101001010100
3111122111102101011211020
42010331112312221110
54314334402300230
6145330133241140
713212544133331
oct2047526665124
9448442334736
10142763321940
115560019a888
12238031931b0
1310602219735
146ca4625988
153aa8613810
hex213d5b6a54

142763321940 has 24 divisors (see below), whose sum is σ = 399737301600. Its totient is φ = 38070219168.

The previous prime is 142763321933. The next prime is 142763321999. The reversal of 142763321940 is 49123367241.

It is a happy number.

142763321940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142763321892 and 142763321901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189694290 + ... + 1189694409.

It is an arithmetic number, because the mean of its divisors is an integer number (16655720900).

Almost surely, 2142763321940 is an apocalyptic number.

142763321940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142763321940 is an abundant number, since it is smaller than the sum of its proper divisors (256973979660).

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

142763321940 is a wasteful number, since it uses less digits than its factorization.

142763321940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379388711 (or 2379388709 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 142763321940 in words is "one hundred forty-two billion, seven hundred sixty-three million, three hundred twenty-one thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2379388699 4758777398 7138166097 9517554796 11896943495 14276332194 23793886990 28552664388 35690830485 47587773980 71381660970 142763321940