Base | Representation |
---|---|
bin | 100000010111100010000000… |
… | …101110001010000100111010 |
3 | 200200000221222202002012011000 |
4 | 200113202000232022010322 |
5 | 122124314112221022140 |
6 | 1222432440253545430 |
7 | 41661530411030034 |
oct | 4027420056120472 |
9 | 620027882065130 |
10 | 142354555642170 |
11 | 413a4256536803 |
12 | 13b713247a5276 |
13 | 6157c915cc431 |
14 | 2721dd6680c54 |
15 | 116ce7e44ca30 |
hex | 817880b8a13a |
142354555642170 has 128 divisors (see below), whose sum is σ = 391953862656000. Its totient is φ = 36727644421440.
The previous prime is 142354555642151. The next prime is 142354555642171. The reversal of 142354555642170 is 71246555453241.
142354555642170 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 5 + 4 + 5 + 5 + 564 + 2 + 1 + 70 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (142354555642171) 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, 32056441 + ... + 36226019.
It is an arithmetic number, because the mean of its divisors is an integer number (3062139552000).
Almost surely, 2142354555642170 is an apocalyptic number.
142354555642170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 142354555642170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195976931328000).
142354555642170 is an abundant number, since it is smaller than the sum of its proper divisors (249599307013830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142354555642170 is a wasteful number, since it uses less digits than its factorization.
142354555642170 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4173705 (or 4173699 counting only the distinct ones).
The product of its (nonzero) digits is 20160000, while the sum is 54.
The spelling of 142354555642170 in words is "one hundred forty-two trillion, three hundred fifty-four billion, five hundred fifty-five million, six hundred forty-two thousand, one hundred seventy".
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