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13023023111340 = 223511172997412619
BaseRepresentation
bin1011110110000010100010…
…1010101001110010101100
31201002222200212112202122220
42331200220222221302230
53201332122404030330
643410405541435340
72512611436666104
oct275405052516254
951088625482586
1013023023111340
114171040045040
121563b4810bb50
137360b1779c18
14330463a0c204
15178b5aa0e710
hexbd828aa9cac

13023023111340 has 384 divisors, whose sum is σ = 44021074406400. Its totient is φ = 2839339991040.

The previous prime is 13023023111339. The next prime is 13023023111341. The reversal of 13023023111340 is 4311132032031.

It is an interprime number because it is at equal distance from previous prime (13023023111339) and next prime (13023023111341).

It is a self number, because there is not a number n which added to its sum of digits gives 13023023111340.

It is not an unprimeable number, because it can be changed into a prime (13023023111341) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 31355551 + ... + 31768169.

It is an arithmetic number, because the mean of its divisors is an integer number (114638214600).

Almost surely, 213023023111340 is an apocalyptic number.

13023023111340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13023023111340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22010537203200).

13023023111340 is an abundant number, since it is smaller than the sum of its proper divisors (30998051295060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13023023111340 is a wasteful number, since it uses less digits than its factorization.

13023023111340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412785 (or 412783 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13023023111340 its reverse (4311132032031), we get a palindrome (17334155143371).

The spelling of 13023023111340 in words is "thirteen trillion, twenty-three billion, twenty-three million, one hundred eleven thousand, three hundred forty".