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211223011013103 = 31911932093105631
BaseRepresentation
bin110000000001101100110000…
…100010100011000111101111
31000200212201111210212000002210
4300001230300202203013233
5210141134211304404403
62025122302305021503
762330234056033665
oct6001546042430757
91020781453760083
10211223011013103
11613361a3165161
121b834527024893
1390b2324148c8b
143a233693d4c35
1519645dde55b03
hexc01b308a31ef

211223011013103 has 16 divisors (see below), whose sum is σ = 296453692697600. Its totient is φ = 133403852197440.

The previous prime is 211223011013087. The next prime is 211223011013111. The reversal of 211223011013103 is 301310110322112.

It is not a de Polignac number, because 211223011013103 - 24 = 211223011013087 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 211223011013103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211223011013173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66460098 + ... + 69565728.

It is an arithmetic number, because the mean of its divisors is an integer number (18528355793600).

Almost surely, 2211223011013103 is an apocalyptic number.

211223011013103 is a deficient number, since it is larger than the sum of its proper divisors (85230681684497).

211223011013103 is a wasteful number, since it uses less digits than its factorization.

211223011013103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298862.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 211223011013103 its reverse (301310110322112), we get a palindrome (512533121335215).

The spelling of 211223011013103 in words is "two hundred eleven trillion, two hundred twenty-three billion, eleven million, thirteen thousand, one hundred three".

Divisors: 1 3 19 57 1193209 3105631 3579627 9316893 22670971 59006989 68012913 177020967 3705666859879 11117000579637 70407670337701 211223011013103