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10200023111 = 30673325733
BaseRepresentation
bin10010111111111100…
…00000000001000111
3222022212010212020202
421133332000001013
5131342201214421
64404045521115
7510523523465
oct113776000107
928285125222
1010200023111
114364713373
121b87b7319b
13c67282145
146ca94d835
153ea71e10b
hex25ff80047

10200023111 has 4 divisors (see below), whose sum is σ = 10203351912. Its totient is φ = 10196694312.

The previous prime is 10200023107. The next prime is 10200023123. The reversal of 10200023111 is 11132000201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11132000201 = 71590285743.

It is a cyclic number.

It is not a de Polignac number, because 10200023111 - 22 = 10200023107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10200023092 and 10200023101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200023411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659800 + ... + 1665933.

It is an arithmetic number, because the mean of its divisors is an integer number (2550837978).

Almost surely, 210200023111 is an apocalyptic number.

10200023111 is a deficient number, since it is larger than the sum of its proper divisors (3328801).

10200023111 is an equidigital number, since it uses as much as digits as its factorization.

10200023111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328800.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10200023111 its reverse (11132000201), we get a palindrome (21332023312).

The spelling of 10200023111 in words is "ten billion, two hundred million, twenty-three thousand, one hundred eleven".

Divisors: 1 3067 3325733 10200023111