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10948259921 = 76914237009
BaseRepresentation
bin10100011001001000…
…10011000001010001
31001021000002020012012
422030210103001101
5134410223304141
65010215112305
7535210450064
oct121444230121
931230066165
1010948259921
1147090097a5
122156672695
1310562b0211
1475c0828db
1544126dceb
hex28c913051

10948259921 has 4 divisors (see below), whose sum is σ = 10962497700. Its totient is φ = 10934022144.

The previous prime is 10948259891. The next prime is 10948259939. The reversal of 10948259921 is 12995284901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8678785600 + 2269474321 = 93160^2 + 47639^2 .

It is a cyclic number.

It is not a de Polignac number, because 10948259921 - 210 = 10948258897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10948259921.

It is not an unprimeable number, because it can be changed into a prime (10948259521) 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, 7117736 + ... + 7119273.

It is an arithmetic number, because the mean of its divisors is an integer number (2740624425).

Almost surely, 210948259921 is an apocalyptic number.

It is an amenable number.

10948259921 is a deficient number, since it is larger than the sum of its proper divisors (14237779).

10948259921 is an equidigital number, since it uses as much as digits as its factorization.

10948259921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14237778.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 10948259921 in words is "ten billion, nine hundred forty-eight million, two hundred fifty-nine thousand, nine hundred twenty-one".

Divisors: 1 769 14237009 10948259921