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13005111413450 = 2521390912200843
BaseRepresentation
bin1011110100111111110100…
…0010111100101011001010
31201001021110120112020100202
42331033331002330223022
53201033432010212300
643354244331532202
72511405533035412
oct275177502745312
951037416466322
1013005111413450
114164489394332
1215605895ba062
137344b8925810
1432d644c09642
1517845d299ad5
hexbd3fd0bcaca

13005111413450 has 48 divisors (see below), whose sum is σ = 26053115889696. Its totient is φ = 4801356907200.

The previous prime is 13005111413431. The next prime is 13005111413453. The reversal of 13005111413450 is 5431411150031.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13005111413453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4808729 + ... + 7009571.

It is an arithmetic number, because the mean of its divisors is an integer number (542773247702).

Almost surely, 213005111413450 is an apocalyptic number.

13005111413450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13005111413450 is an abundant number, since it is smaller than the sum of its proper divisors (13048004476246).

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

13005111413450 is a wasteful number, since it uses less digits than its factorization.

13005111413450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209959 (or 2209954 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 13005111413450 its reverse (5431411150031), we get a palindrome (18436522563481).

The spelling of 13005111413450 in words is "thirteen trillion, five billion, one hundred eleven million, four hundred thirteen thousand, four hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 9091 18182 45455 90910 118183 227275 236366 454550 590915 1181830 2200843 2954575 4401686 5909150 11004215 22008430 28610959 55021075 57221918 110042150 143054795 286109590 715273975 1430547950 20007863713 40015727426 100039318565 200078637130 260102228269 500196592825 520204456538 1000393185650 1300511141345 2601022282690 6502555706725 13005111413450