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142064820420 = 22354157749927
BaseRepresentation
bin1000010001001110111…
…0010010000011000100
3111120200202000121212120
42010103232102003010
54311422043223140
6145132542045540
713156333022625
oct2042356220304
9446622017776
10142064820420
11552819842a6
12236492798b0
13105205b3423
146c3995ba4c
153a6713a1d0
hex2113b920c4

142064820420 has 48 divisors (see below), whose sum is σ = 407483491968. Its totient is φ = 36959952640.

The previous prime is 142064820413. The next prime is 142064820427. The reversal of 142064820420 is 24028460241.

142064820420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142064820413) and next prime (142064820427).

It is not an unprimeable number, because it can be changed into a prime (142064820427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28872504 + ... + 28877423.

It is an arithmetic number, because the mean of its divisors is an integer number (8489239416).

Almost surely, 2142064820420 is an apocalyptic number.

142064820420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142064820420 is an abundant number, since it is smaller than the sum of its proper divisors (265418671548).

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

142064820420 is a wasteful number, since it uses less digits than its factorization.

142064820420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57749980 (or 57749978 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 142064820420 in words is "one hundred forty-two billion, sixty-four million, eight hundred twenty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 492 615 820 1230 2460 57749927 115499854 173249781 230999708 288749635 346499562 577499270 692999124 866248905 1154998540 1732497810 2367747007 3464995620 4735494014 7103241021 9470988028 11838735035 14206482042 23677470070 28412964084 35516205105 47354940140 71032410210 142064820420