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10932907991 = 27913917201
BaseRepresentation
bin10100010111010011…
…01110111111010111
31001012221012021022012
422023221232333113
5134342311023431
65004510054435
7534633120215
oct121351567727
931187167265
1010932907991
114700383655
1221514aa41b
131053066635
1475a007cb5
1543ec3a22b
hex28ba6efd7

10932907991 has 4 divisors (see below), whose sum is σ = 10936827984. Its totient is φ = 10928988000.

The previous prime is 10932907987. The next prime is 10932908011. The reversal of 10932907991 is 19970923901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19970923901 = 191104559811.

It is a cyclic number.

It is not a de Polignac number, because 10932907991 - 22 = 10932907987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10932907901) 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, 1955810 + ... + 1961391.

It is an arithmetic number, because the mean of its divisors is an integer number (2734206996).

Almost surely, 210932907991 is an apocalyptic number.

10932907991 is a deficient number, since it is larger than the sum of its proper divisors (3919993).

10932907991 is an equidigital number, since it uses as much as digits as its factorization.

10932907991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919992.

The product of its (nonzero) digits is 275562, while the sum is 50.

The spelling of 10932907991 in words is "ten billion, nine hundred thirty-two million, nine hundred seven thousand, nine hundred ninety-one".

Divisors: 1 2791 3917201 10932907991