Base | Representation |
---|---|
bin | 11011010010100010011101… |
… | …000001001001001101110111 |
3 | 120201221220200211011002100120 |
4 | 123102202131001021031313 |
5 | 111212411404303122411 |
6 | 1103132551151543023 |
7 | 34165150143030504 |
oct | 3322423501111567 |
9 | 521856624132316 |
10 | 120021200442231 |
11 | 35273783781250 |
12 | 11564ab522aa73 |
13 | 51c7c4872214a |
14 | 218d0b295c4ab |
15 | dd2060998106 |
hex | 6d289d049377 |
120021200442231 has 16 divisors (see below), whose sum is σ = 174711517246848. Its totient is φ = 72683777440800.
The previous prime is 120021200442211. The next prime is 120021200442263. The reversal of 120021200442231 is 132244002120021.
It is not a de Polignac number, because 120021200442231 - 27 = 120021200442103 is a prime.
It is a super-2 number, since 2×1200212004422312 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120021200442211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408557736 + ... + 1408642941.
It is an arithmetic number, because the mean of its divisors is an integer number (10919469827928).
Almost surely, 2120021200442231 is an apocalyptic number.
120021200442231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
120021200442231 is a deficient number, since it is larger than the sum of its proper divisors (54690316804617).
120021200442231 is a wasteful number, since it uses less digits than its factorization.
120021200442231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2817201982.
The product of its (nonzero) digits is 1536, while the sum is 24.
Adding to 120021200442231 its reverse (132244002120021), we get a palindrome (252265202562252).
The spelling of 120021200442231 in words is "one hundred twenty trillion, twenty-one billion, two hundred million, four hundred forty-two thousand, two hundred thirty-one".
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