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10123111033 = 71446158719
BaseRepresentation
bin10010110110110001…
…00110101001111001
3222010111102022201021
421123120212221321
5131213004023113
64352301222441
7505601011150
oct113330465171
928114368637
1010123111033
114325261172
121b66261a21
13c54363439
146c064c597
153e3aca48d
hex25b626a79

10123111033 has 4 divisors (see below), whose sum is σ = 11569269760. Its totient is φ = 8676952308.

The previous prime is 10123110983. The next prime is 10123111073. The reversal of 10123111033 is 33011132101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33011132101 = 139237490159.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10123111033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10123110998 and 10123111016.

It is not an unprimeable number, because it can be changed into a prime (10123111073) 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, 723079353 + ... + 723079366.

It is an arithmetic number, because the mean of its divisors is an integer number (2892317440).

Almost surely, 210123111033 is an apocalyptic number.

It is an amenable number.

10123111033 is a deficient number, since it is larger than the sum of its proper divisors (1446158727).

10123111033 is an equidigital number, since it uses as much as digits as its factorization.

10123111033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446158726.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 10123111033 its reverse (33011132101), we get a palindrome (43134243134).

The spelling of 10123111033 in words is "ten billion, one hundred twenty-three million, one hundred eleven thousand, thirty-three".

Divisors: 1 7 1446158719 10123111033