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11858700038 = 25929350019
BaseRepresentation
bin10110000101101010…
…10110011100000110
31010121110020101020112
423002311112130012
5143241311400123
65240421033022
7566604200333
oct130265263406
933543211215
1011858700038
115035a21949
12236b555772
13116cac0893
14806d5998a
1549615dd78
hex2c2d56706

11858700038 has 4 divisors (see below), whose sum is σ = 17788050060. Its totient is φ = 5929350018.

The previous prime is 11858700037. The next prime is 11858700079. The reversal of 11858700038 is 83000785811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83000785811 = 89932593099.

It is a super-2 number, since 2×118587000382 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11858699968 and 11858700004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11858700037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2964675008 + ... + 2964675011.

It is an arithmetic number, because the mean of its divisors is an integer number (4447012515).

Almost surely, 211858700038 is an apocalyptic number.

11858700038 is a deficient number, since it is larger than the sum of its proper divisors (5929350022).

11858700038 is an equidigital number, since it uses as much as digits as its factorization.

11858700038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5929350021.

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 11858700038 in words is "eleven billion, eight hundred fifty-eight million, seven hundred thousand, thirty-eight".

Divisors: 1 2 5929350019 11858700038