Base | Representation |
---|---|
bin | 1010000010001100111… |
… | …0111001100100111110 |
3 | 121110222010211012202211 |
4 | 2200203032321210332 |
5 | 10311023242102004 |
6 | 211110023411034 |
7 | 15311660060560 |
oct | 2404316714476 |
9 | 543863735684 |
10 | 172389800254 |
11 | 67123603501 |
12 | 294b0bb3a7a |
13 | 133440b1289 |
14 | 84b51dd330 |
15 | 473e559504 |
hex | 28233b993e |
172389800254 has 16 divisors (see below), whose sum is σ = 297852346368. Its totient is φ = 73299599352.
The previous prime is 172389800221. The next prime is 172389800263. The reversal of 172389800254 is 452008983271.
172389800254 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 2×1723898002542 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 172389800198 and 172389800207.
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 7 ways as a sum of consecutive naturals, for example, 48476794 + ... + 48480349.
It is an arithmetic number, because the mean of its divisors is an integer number (18615771648).
Almost surely, 2172389800254 is an apocalyptic number.
172389800254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
172389800254 is a deficient number, since it is larger than the sum of its proper divisors (125462546114).
172389800254 is a wasteful number, since it uses less digits than its factorization.
172389800254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96957279.
The product of its (nonzero) digits is 967680, while the sum is 49.
The spelling of 172389800254 in words is "one hundred seventy-two billion, three hundred eighty-nine million, eight hundred thousand, two hundred fifty-four".
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