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142071920208 = 243231109291983
BaseRepresentation
bin1000010001010000100…
…1010111011001010000
3111120201020101022221200
42010110021113121100
54311430402421313
6145133354151200
713156450253001
oct2042411273120
9446636338850
10142071920208
1155285993499
122364b722500
1310521bcab9a
146c3a8891a8
153a67a8db73
hex2114257650

142071920208 has 120 divisors (see below), whose sum is σ = 414196823040. Its totient is φ = 45409040640.

The previous prime is 142071920189. The next prime is 142071920261. The reversal of 142071920208 is 802029170241.

142071920208 is a `hidden beast` number, since 1 + 420 + 7 + 1 + 9 + 20 + 208 = 666.

142071920208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340585 + ... + 632567.

It is an arithmetic number, because the mean of its divisors is an integer number (3451640192).

Almost surely, 2142071920208 is an apocalyptic number.

142071920208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142071920208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207098411520).

142071920208 is an abundant number, since it is smaller than the sum of its proper divisors (272124902832).

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

142071920208 is a wasteful number, since it uses less digits than its factorization.

142071920208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292137 (or 292128 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 142071920208 in words is "one hundred forty-two billion, seventy-one million, nine hundred twenty thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 36 48 62 72 93 109 124 144 186 218 248 279 327 372 436 496 558 654 744 872 981 1116 1308 1488 1744 1962 2232 2616 3379 3924 4464 5232 6758 7848 10137 13516 15696 20274 27032 30411 40548 54064 60822 81096 121644 162192 243288 291983 486576 583966 875949 1167932 1751898 2335864 2627847 3503796 4671728 5255694 7007592 9051473 10511388 14015184 18102946 21022776 27154419 31826147 36205892 42045552 54308838 63652294 72411784 81463257 95478441 108617676 127304588 144823568 162926514 190956882 217235352 254609176 286435323 325853028 381913764 434470704 509218352 572870646 651706056 763827528 986610557 1145741292 1303412112 1527655056 1973221114 2291482584 2959831671 3946442228 4582965168 5919663342 7892884456 8879495013 11839326684 15785768912 17758990026 23678653368 35517980052 47357306736 71035960104 142071920208