Search a number
-
+
13023533236230 = 232511107808915199
BaseRepresentation
bin1011110110000100011100…
…0100101000000000000110
31201010001000102102210110100
42331201013010220000012
53201334144002024410
643410532323304530
72512630202662506
oct275410704500006
951101012383410
1013023533236230
114171281a97460
12156406ab1b146
1373616336867a
143304b167ba06
15178b8a6c78c0
hexbd847128006

13023533236230 has 192 divisors, whose sum is σ = 37291767552000. Its totient is φ = 3127121026560.

The previous prime is 13023533236187. The next prime is 13023533236249. The reversal of 13023533236230 is 3263233532031.

13023533236230 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 3 + 5 + 3 + 3 + 23 + 623 + 0 = 666.

It is a super-2 number, since 2×130235332362302 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 856860171 + ... + 856875369.

It is an arithmetic number, because the mean of its divisors is an integer number (194227956000).

Almost surely, 213023533236230 is an apocalyptic number.

13023533236230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13023533236230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18645883776000).

13023533236230 is an abundant number, since it is smaller than the sum of its proper divisors (24268234315770).

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

13023533236230 is a wasteful number, since it uses less digits than its factorization.

13023533236230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23419 (or 23416 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 36.

Adding to 13023533236230 its reverse (3263233532031), we get a palindrome (16286766768261).

The spelling of 13023533236230 in words is "thirteen trillion, twenty-three billion, five hundred thirty-three million, two hundred thirty-six thousand, two hundred thirty".