Base | Representation |
---|---|
bin | 1011100001001100111… |
… | …1111001010100010100 |
3 | 200220210101122012202100 |
4 | 2320103033321110110 |
5 | 11220240201222102 |
6 | 230524324042100 |
7 | 20203635253410 |
oct | 2702317712424 |
9 | 626711565670 |
10 | 197891429652 |
11 | 76a1a60a084 |
12 | 32429533330 |
13 | 15879520407 |
14 | 9814043d40 |
15 | 52332b7a1c |
hex | 2e133f9514 |
197891429652 has 72 divisors (see below), whose sum is σ = 581375995200. Its totient is φ = 55582092288.
The previous prime is 197891429647. The next prime is 197891429663. The reversal of 197891429652 is 256924198791.
197891429652 is a `hidden beast` number, since 1 + 9 + 78 + 91 + 429 + 6 + 52 = 666.
197891429652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1978914296522 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a self number, because there is not a number n which added to its sum of digits gives 197891429652.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6640077 + ... + 6669812.
It is an arithmetic number, because the mean of its divisors is an integer number (8074666600).
Almost surely, 2197891429652 is an apocalyptic number.
197891429652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
197891429652 is an abundant number, since it is smaller than the sum of its proper divisors (383484565548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197891429652 is a wasteful number, since it uses less digits than its factorization.
197891429652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13309965 (or 13309960 counting only the distinct ones).
The product of its digits is 19595520, while the sum is 63.
It can be divided in two parts, 19789 and 1429652, that added together give a palindrome (1449441).
The spelling of 197891429652 in words is "one hundred ninety-seven billion, eight hundred ninety-one million, four hundred twenty-nine thousand, six hundred fifty-two".
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