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23130003000000 = 26356133111907
BaseRepresentation
bin1010100001001010111111…
…00111001100101011000000
310000220012120200022102221210
411100211133213030223000
511012430221232000000
6121105435433050120
74605042015366501
oct520453747145300
9100805520272853
1023130003000000
117408419771886
1227168bb256940
13cba1c44c8ac0
1459d6d8ba0ba8
152a19e7832350
hex15095f9ccac0

23130003000000 has 784 divisors, whose sum is σ = 82689276563712. Its totient is φ = 5672256000000.

The previous prime is 23130002999969. The next prime is 23130003000037. The reversal of 23130003000000 is 30003132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 23130003000000.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 12128999047 + ... + 12129000953.

Almost surely, 223130003000000 is an apocalyptic number.

23130003000000 is a gapful number since it is divisible by the number (20) 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 23130003000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41344638281856).

23130003000000 is an abundant number, since it is smaller than the sum of its proper divisors (59559273563712).

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

23130003000000 is an equidigital number, since it uses as much as digits as its factorization.

23130003000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276 (or 2241 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 23130003000000 its reverse (30003132), we get a palindrome (23130033003132).

The spelling of 23130003000000 in words is "twenty-three trillion, one hundred thirty billion, three million", and thus it is an aban number.