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1123010120213 = 6912893356171
BaseRepresentation
bin10000010101111000100…
…111101000101000010101
310222100200111122222122022
4100111320213220220111
5121344411042321323
62215523112142525
7144064144344062
oct20257047505025
93870614588568
101123010120213
113a32a1a32973
12161791997a45
1381b8cc9b917
143c4d546bc69
151e32ab0e4c8
hex105789e8a15

1123010120213 has 8 divisors (see below), whose sum is σ = 1124694208416. Its totient is φ = 1121326203600.

The previous prime is 1123010120207. The next prime is 1123010120233. The reversal of 1123010120213 is 3120210103211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1123010120213 is a prime.

It is a super-2 number, since 2×11230101202132 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1123010120191 and 1123010120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123010120203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19964618 + ... + 20020788.

It is an arithmetic number, because the mean of its divisors is an integer number (140586776052).

Almost surely, 21123010120213 is an apocalyptic number.

It is an amenable number.

1123010120213 is a deficient number, since it is larger than the sum of its proper divisors (1684088203).

1123010120213 is an equidigital number, since it uses as much as digits as its factorization.

1123010120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85795.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1123010120213 its reverse (3120210103211), we get a palindrome (4243220223424).

The spelling of 1123010120213 in words is "one trillion, one hundred twenty-three billion, ten million, one hundred twenty thousand, two hundred thirteen".

Divisors: 1 691 28933 56171 19992703 38814161 1625195543 1123010120213