Base | Representation |
---|---|
bin | 11111000000110110110… |
… | …010111110100101010111 |
3 | 21112202001121021121212012 |
4 | 133000312302332211113 |
5 | 234404221104041043 |
6 | 4311023111414435 |
7 | 306655460360465 |
oct | 37006662764527 |
9 | 7482047247765 |
10 | 2131223112023 |
11 | 7519349820a5 |
12 | 2a506638441b |
13 | 125c86963115 |
14 | 7521a583835 |
15 | 3a6883e4a18 |
hex | 1f036cbe957 |
2131223112023 has 8 divisors (see below), whose sum is σ = 2160522870000. Its totient is φ = 2101926189888.
The previous prime is 2131223112001. The next prime is 2131223112049. The reversal of 2131223112023 is 3202113221312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2131223112023 - 230 = 2130149370199 is a prime.
It is a super-2 number, since 2×21312231120232 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2131223112023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131223112223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827153 + ... + 2224101.
It is an arithmetic number, because the mean of its divisors is an integer number (270065358750).
Almost surely, 22131223112023 is an apocalyptic number.
2131223112023 is a deficient number, since it is larger than the sum of its proper divisors (29299757977).
2131223112023 is a wasteful number, since it uses less digits than its factorization.
2131223112023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1417921.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 2131223112023 its reverse (3202113221312), we get a palindrome (5333336333335).
The spelling of 2131223112023 in words is "two trillion, one hundred thirty-one billion, two hundred twenty-three million, one hundred twelve thousand, twenty-three".
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