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142000013040 = 2435591666721
BaseRepresentation
bin1000010000111111011…
…1000011111011110000
3111120112020002001212020
42010033313003323300
54311304000404130
6145122305031440
713154615124054
oct2041767037360
9446466061766
10142000013040
115524933a586
122362b625580
1310510042272
146c310cbc64
153a615d7e10
hex210fdc3ef0

142000013040 has 40 divisors (see below), whose sum is σ = 440200041168. Its totient is φ = 37866670080.

The previous prime is 142000013039. The next prime is 142000013047. The reversal of 142000013040 is 40310000241.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142000013047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295833121 + ... + 295833600.

Almost surely, 2142000013040 is an apocalyptic number.

142000013040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142000013040 is an abundant number, since it is smaller than the sum of its proper divisors (298200028128).

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

142000013040 is a wasteful number, since it uses less digits than its factorization.

142000013040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591666737 (or 591666731 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 142000013040 its reverse (40310000241), we get a palindrome (182310013281).

The spelling of 142000013040 in words is "one hundred forty-two billion, thirteen thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 591666721 1183333442 1775000163 2366666884 2958333605 3550000326 4733333768 5916667210 7100000652 8875000815 9466667536 11833334420 14200001304 17750001630 23666668840 28400002608 35500003260 47333337680 71000006520 142000013040