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10491572963 = 21434895741
BaseRepresentation
bin10011100010101100…
…01011001011100011
31000002011202010110102
421301112023023203
5132441320313323
64453022453015
7520663620164
oct116126131343
930064663412
1010491572963
1144a4246063
12204973416b
13cb27b1951
1471756376b
1541610e328
hex27158b2e3

10491572963 has 4 divisors (see below), whose sum is σ = 10496470848. Its totient is φ = 10486675080.

The previous prime is 10491572953. The next prime is 10491572983. The reversal of 10491572963 is 36927519401.

10491572963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36927519401 = 159541231461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10491572963 is a prime.

It is a super-2 number, since 2×104915729632 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10491572953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445728 + ... + 2450013.

It is an arithmetic number, because the mean of its divisors is an integer number (2624117712).

Almost surely, 210491572963 is an apocalyptic number.

10491572963 is a deficient number, since it is larger than the sum of its proper divisors (4897885).

10491572963 is an equidigital number, since it uses as much as digits as its factorization.

10491572963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897884.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 10491572963 in words is "ten billion, four hundred ninety-one million, five hundred seventy-two thousand, nine hundred sixty-three".

Divisors: 1 2143 4895741 10491572963