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103212311002111 = 239431850673649
BaseRepresentation
bin10111011101111011111101…
…001000100011101111111111
3111112110000000102012012021101
4113131323331020203233333
5102012012303104031421
61003303025303513531
730511562166141643
oct2735737510435777
9445400012165241
10103212311002111
112a983105904163
12b6ab2a21588a7
134578b576aa33c
141b6b706c42c23
15bdebc818c191
hex5ddefd223bff

103212311002111 has 4 divisors (see below), whose sum is σ = 103644161676000. Its totient is φ = 102780460328224.

The previous prime is 103212311002109. The next prime is 103212311002237. The reversal of 103212311002111 is 111200113212301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103212311002111 - 21 = 103212311002109 is a prime.

It is a super-2 number, since 2×1032123110021112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103212311002711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215925336586 + ... + 215925337063.

It is an arithmetic number, because the mean of its divisors is an integer number (25911040419000).

Almost surely, 2103212311002111 is an apocalyptic number.

103212311002111 is a deficient number, since it is larger than the sum of its proper divisors (431850673889).

103212311002111 is an equidigital number, since it uses as much as digits as its factorization.

103212311002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431850673888.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 103212311002111 its reverse (111200113212301), we get a palindrome (214412424214412).

The spelling of 103212311002111 in words is "one hundred three trillion, two hundred twelve billion, three hundred eleven million, two thousand, one hundred eleven".

Divisors: 1 239 431850673649 103212311002111