Base | Representation |
---|---|
bin | 11111001100111110111… |
… | …01011101100010011011 |
3 | 10210111100000222121202212 |
4 | 33212133131131202123 |
5 | 120031201233012321 |
6 | 2140305350345335 |
7 | 140313120654650 |
oct | 17463735354233 |
9 | 3714300877685 |
10 | 1072122157211 |
11 | 38375900a0a6 |
12 | 15394b65b24b |
13 | 7a14028b301 |
14 | 39c68c35c27 |
15 | 1cd4d31955b |
hex | f99f75d89b |
1072122157211 has 16 divisors (see below), whose sum is σ = 1267574331840. Its totient is φ = 887244986880.
The previous prime is 1072122157111. The next prime is 1072122157231. The reversal of 1072122157211 is 1127512212701.
It is not a de Polignac number, because 1072122157211 - 214 = 1072122140827 is a prime.
It is a super-2 number, since 2×10721221572112 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1072122157231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8262071 + ... + 8390831.
It is an arithmetic number, because the mean of its divisors is an integer number (79223395740).
Almost surely, 21072122157211 is an apocalyptic number.
1072122157211 is a deficient number, since it is larger than the sum of its proper divisors (195452174629).
1072122157211 is a wasteful number, since it uses less digits than its factorization.
1072122157211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169814.
The product of its (nonzero) digits is 3920, while the sum is 32.
Adding to 1072122157211 its reverse (1127512212701), we get a palindrome (2199634369912).
The spelling of 1072122157211 in words is "one trillion, seventy-two billion, one hundred twenty-two million, one hundred fifty-seven thousand, two hundred eleven".
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