Search a number
-
+
1121210020013 = 1772251912839
BaseRepresentation
bin10000010100001101010…
…100110011000010101101
310222012001001110102101112
4100110031110303002231
5121332214231120023
62215024325521405
7144001425631406
oct20241524630255
93865031412345
101121210020013
113a255890aa56
1216136ab73265
1381964075085
143c3a436a9ad
151e272a86478
hex1050d5330ad

1121210020013 has 8 divisors (see below), whose sum is σ = 1187181282240. Its totient is φ = 1055240728000.

The previous prime is 1121210019983. The next prime is 1121210020079. The reversal of 1121210020013 is 3100200121211.

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

It is not a de Polignac number, because 1121210020013 - 224 = 1121193242797 is a prime.

It is a super-2 number, since 2×11212100200132 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121210020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121210020913) 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 7 ways as a sum of consecutive naturals, for example, 771848 + ... + 1684686.

It is an arithmetic number, because the mean of its divisors is an integer number (148397660280).

Almost surely, 21121210020013 is an apocalyptic number.

It is an amenable number.

1121210020013 is a deficient number, since it is larger than the sum of its proper divisors (65971262227).

1121210020013 is an equidigital number, since it uses as much as digits as its factorization.

1121210020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985107.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1121210020013 its reverse (3100200121211), we get a palindrome (4221410141224).

The spelling of 1121210020013 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, twenty thousand, thirteen".

Divisors: 1 17 72251 912839 1228267 15518263 65953530589 1121210020013