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142240590908 = 22135443502553
BaseRepresentation
bin1000010001111000110…
…0110010110000111100
3111121010222202200122122
42010132030302300330
54312302042402113
6145202221302112
713163566034213
oct2043614626074
9447128680578
10142240590908
1155362118269
1223698104938
131054ab36130
146c5503407a
153a777aa408
hex211e332c3c

142240590908 has 24 divisors (see below), whose sum is σ = 268118589648. Its totient is φ = 65637311616.

The previous prime is 142240590889. The next prime is 142240590913. The reversal of 142240590908 is 809095042241.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31760 + ... + 534312.

It is an arithmetic number, because the mean of its divisors is an integer number (11171607902).

Almost surely, 2142240590908 is an apocalyptic number.

It is an amenable number.

142240590908 is a deficient number, since it is larger than the sum of its proper divisors (125877998740).

142240590908 is a wasteful number, since it uses less digits than its factorization.

142240590908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508013 (or 508011 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 142240590908 in words is "one hundred forty-two billion, two hundred forty million, five hundred ninety thousand, nine hundred eight".

Divisors: 1 2 4 13 26 52 5443 10886 21772 70759 141518 283036 502553 1005106 2010212 6533189 13066378 26132756 2735395979 5470791958 10941583916 35560147727 71120295454 142240590908