Base | Representation |
---|---|
bin | 11110101110001000100… |
… | …111100000101000111111 |
3 | 21110211011122121120122120 |
4 | 132232020213200220333 |
5 | 234042033434013043 |
6 | 4253500253414023 |
7 | 305344355300046 |
oct | 36561047405077 |
9 | 7424148546576 |
10 | 2111121001023 |
11 | 74435984a621 |
12 | 2a119619a313 |
13 | 124102085b98 |
14 | 742708bb55d |
15 | 39dad708983 |
hex | 1eb889e0a3f |
2111121001023 has 16 divisors (see below), whose sum is σ = 2829723278976. Its totient is φ = 1399969427360.
The previous prime is 2111121000983. The next prime is 2111121001037. The reversal of 2111121001023 is 3201001211112.
It is a cyclic number.
It is not a de Polignac number, because 2111121001023 - 29 = 2111121000511 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2111121000993 and 2111121001011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2111121001823) 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, 2391640 + ... + 3153122.
It is an arithmetic number, because the mean of its divisors is an integer number (176857704936).
Almost surely, 22111121001023 is an apocalyptic number.
2111121001023 is a deficient number, since it is larger than the sum of its proper divisors (718602277953).
2111121001023 is a wasteful number, since it uses less digits than its factorization.
2111121001023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 766374.
The product of its (nonzero) digits is 24, while the sum is 15.
Adding to 2111121001023 its reverse (3201001211112), we get a palindrome (5312122212135).
The spelling of 2111121001023 in words is "two trillion, one hundred eleven billion, one hundred twenty-one million, one thousand, twenty-three".
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