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142007787740 = 225713671164571
BaseRepresentation
bin1000010001000001010…
…0101110000011011100
3111120112202201001202002
42010100110232003130
54311312443201430
6145123143421432
713155041164610
oct2042024560334
9446482631662
10142007787740
115525276a855
1223632154878
1310511834c90
146c32153340
153a62121845
hex211052e0dc

142007787740 has 96 divisors (see below), whose sum is σ = 372513974784. Its totient is φ = 44272293120.

The previous prime is 142007787679. The next prime is 142007787773. The reversal of 142007787740 is 47787700241.

142007787740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460346 + ... + 704225.

It is an arithmetic number, because the mean of its divisors is an integer number (3880353904).

Almost surely, 2142007787740 is an apocalyptic number.

142007787740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142007787740 is an abundant number, since it is smaller than the sum of its proper divisors (230506187044).

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

142007787740 is a wasteful number, since it uses less digits than its factorization.

142007787740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164667 (or 1164665 counting only the distinct ones).

The product of its (nonzero) digits is 614656, while the sum is 47.

The spelling of 142007787740 in words is "one hundred forty-two billion, seven million, seven hundred eighty-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 67 70 91 130 134 140 182 260 268 335 364 455 469 670 871 910 938 1340 1742 1820 1876 2345 3484 4355 4690 6097 8710 9380 12194 17420 24388 30485 60970 121940 1164571 2329142 4658284 5822855 8151997 11645710 15139423 16303994 23291420 30278846 32607988 40759985 60557692 75697115 78026257 81519970 105975961 151394230 156052514 163039940 211951922 302788460 312105028 390131285 423903844 529879805 546183799 780262570 1014341341 1059759610 1092367598 1560525140 2028682682 2119519220 2184735196 2730918995 4057365364 5071706705 5461837990 7100389387 10143413410 10923675980 14200778774 20286826820 28401557548 35501946935 71003893870 142007787740