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11221101982 = 210781520411
BaseRepresentation
bin10100111001101010…
…00110110110011110
31001222000111001010201
422130311012312132
5140440100230412
65053243054114
7545032536016
oct123465066636
931860431121
1011221101982
114839024002
122211b1133a
13109a98c81c
147863c6c46
1545a1b5e57
hex29cd46d9e

11221101982 has 8 divisors (see below), whose sum is σ = 16833246552. Its totient is φ = 5610019800.

The previous prime is 11221101929. The next prime is 11221102001. The reversal of 11221101982 is 28910112211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11221101982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238644 + ... + 281767.

It is an arithmetic number, because the mean of its divisors is an integer number (2104155819).

Almost surely, 211221101982 is an apocalyptic number.

11221101982 is a deficient number, since it is larger than the sum of its proper divisors (5612144570).

11221101982 is a wasteful number, since it uses less digits than its factorization.

11221101982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531194.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 11221101982 in words is "eleven billion, two hundred twenty-one million, one hundred one thousand, nine hundred eighty-two".

Divisors: 1 2 10781 21562 520411 1040822 5610550991 11221101982