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1121212213193 = 37181271671707
BaseRepresentation
bin10000010100001101011…
…101001010011111001001
310222012001012120211212102
4100110031131022133021
5121332220311310233
62215024444523145
7144001453364462
oct20241535123711
93865035524772
101121212213193
113a255a0787a6
1216136b8504b5
1381964662407
143c3a477bd69
151e272d6b1e8
hex1050d74a7c9

1121212213193 has 8 divisors (see below), whose sum is σ = 1151579459712. Its totient is φ = 1090848346416.

The previous prime is 1121212213171. The next prime is 1121212213201. The reversal of 1121212213193 is 3913122121211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121212213193 - 212 = 1121212209097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121212213153) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 165155 + ... + 1506552.

It is an arithmetic number, because the mean of its divisors is an integer number (143947432464).

Almost surely, 21121212213193 is an apocalyptic number.

It is an amenable number.

1121212213193 is a deficient number, since it is larger than the sum of its proper divisors (30367246519).

1121212213193 is a wasteful number, since it uses less digits than its factorization.

1121212213193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689871.

The product of its digits is 1296, while the sum is 29.

The spelling of 1121212213193 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred thirteen thousand, one hundred ninety-three".

Divisors: 1 37 18127 670699 1671707 61853159 30303032789 1121212213193