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142270725040 = 24510117607763
BaseRepresentation
bin1000010001111111111…
…1101111101110110000
3111121020002110122220121
42010133333233232300
54312332301200130
6145205215220024
713164413131633
oct2043777575660
9447202418817
10142270725040
115537812a504
12236a6217614
1310554157192
146c59039c1a
153a7a25dd7a
hex211ffefbb0

142270725040 has 40 divisors (see below), whose sum is σ = 334054498608. Its totient is φ = 56344838400.

The previous prime is 142270725017. The next prime is 142270725061. The reversal of 142270725040 is 40527072241.

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

It is a junction number, because it is equal to n+sod(n) for n = 142270724987 and 142270725005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8795802 + ... + 8811961.

Almost surely, 2142270725040 is an apocalyptic number.

142270725040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142270725040 is an abundant number, since it is smaller than the sum of its proper divisors (191783773568).

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

142270725040 is a wasteful number, since it uses less digits than its factorization.

142270725040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17607877 (or 17607871 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 34.

Adding to 142270725040 its reverse (40527072241), we get a palindrome (182797797281).

The spelling of 142270725040 in words is "one hundred forty-two billion, two hundred seventy million, seven hundred twenty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 101 202 404 505 808 1010 1616 2020 4040 8080 17607763 35215526 70431052 88038815 140862104 176077630 281724208 352155260 704310520 1408621040 1778384063 3556768126 7113536252 8891920315 14227072504 17783840630 28454145008 35567681260 71135362520 142270725040