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142605642153 = 313234723914153
BaseRepresentation
bin1000010011001111110…
…1010110100110101001
3111122002102200012211010
42010303331112212221
54314024021022103
6145302341454133
713205620646442
oct2046375264651
9448072605733
10142605642153
115552a192707
122377a411349
13105a865c0a0
146c8b6dc2c9
153a99868903
hex2133f569a9

142605642153 has 64 divisors (see below), whose sum is σ = 219144683520. Its totient is φ = 81806258688.

The previous prime is 142605642139. The next prime is 142605642181. The reversal of 142605642153 is 351246506241.

It is not a de Polignac number, because 142605642153 - 221 = 142603545001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (142605642103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10068925 + ... + 10083077.

It is an arithmetic number, because the mean of its divisors is an integer number (3424135680).

Almost surely, 2142605642153 is an apocalyptic number.

142605642153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142605642153 is a deficient number, since it is larger than the sum of its proper divisors (76539041367).

142605642153 is a wasteful number, since it uses less digits than its factorization.

142605642153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14478.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 142605642153 in words is "one hundred forty-two billion, six hundred five million, six hundred forty-two thousand, one hundred fifty-three".

Divisors: 1 3 13 23 39 47 69 141 239 299 611 717 897 1081 1833 3107 3243 5497 9321 11233 14053 14153 16491 33699 42159 42459 71461 146029 183989 214383 258359 325519 438087 551967 665191 775077 976557 1995573 3358667 3382567 4231747 8647483 10076001 10147701 12695241 15299393 25942449 43973371 45898179 77799041 131920113 158980649 198892109 233397123 476941947 596676327 1011387533 2066748437 3034162599 3656554927 6200245311 10969664781 47535214051 142605642153