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142120042014020 = 22574323607980401
BaseRepresentation
bin100000010100000111100110…
…100111101010010101000100
3200122012112200002022112110112
4200110013212213222111010
5122111443321223422040
61222133013533012152
741635556062053320
oct4024074647522504
9618175602275415
10142120042014020
1141313853722984
1213b33996624058
13613bb29a7c5a5
14271490a8dc980
151166d05ebd365
hex8141e69ea544

142120042014020 has 48 divisors (see below), whose sum is σ = 349020382263168. Its totient is φ = 47593688486400.

The previous prime is 142120042013981. The next prime is 142120042014043. The reversal of 142120042014020 is 20410240021241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11803984181 + ... + 11803996220.

It is an arithmetic number, because the mean of its divisors is an integer number (7271257963816).

Almost surely, 2142120042014020 is an apocalyptic number.

142120042014020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142120042014020 is an abundant number, since it is smaller than the sum of its proper divisors (206900340249148).

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

142120042014020 is a wasteful number, since it uses less digits than its factorization.

142120042014020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23607980460 (or 23607980458 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 142120042014020 its reverse (20410240021241), we get a palindrome (162530282035261).

The spelling of 142120042014020 in words is "one hundred forty-two trillion, one hundred twenty billion, forty-two million, fourteen thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 43 70 86 140 172 215 301 430 602 860 1204 1505 3010 6020 23607980401 47215960802 94431921604 118039902005 165255862807 236079804010 330511725614 472159608020 661023451228 826279314035 1015143157243 1652558628070 2030286314486 3305117256140 4060572628972 5075715786215 7106002100701 10151431572430 14212004201402 20302863144860 28424008402804 35530010503505 71060021007010 142120042014020