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13812089457236 = 227722968237503
BaseRepresentation
bin1100100011111110000010…
…1011111000101001010100
31210220102102021002022212112
43020333200223320221110
53302244124400112421
645213104124010152
72623614311162420
oct310774053705124
953812367068775
1013812089457236
114445746466664
121670a60990958
1379262248b485
1435a719c13b80
1518e43deba45b
hexc8fe0af8a54

13812089457236 has 24 divisors (see below), whose sum is σ = 27628000619520. Its totient is φ = 5918647973472.

The previous prime is 13812089457223. The next prime is 13812089457247. The reversal of 13812089457236 is 63275498021831.

13812089457236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138120894572362 (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 7 ways as a sum of consecutive naturals, for example, 33916340 + ... + 34321163.

It is an arithmetic number, because the mean of its divisors is an integer number (1151166692480).

It is a 1-persistent number, because it is pandigital, but 2⋅13812089457236 = 27624178914472 is not.

Almost surely, 213812089457236 is an apocalyptic number.

It is an amenable number.

13812089457236 is an abundant number, since it is smaller than the sum of its proper divisors (13815911162284).

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

13812089457236 is a wasteful number, since it uses less digits than its factorization.

13812089457236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68244743 (or 68244741 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 13812089457236 in words is "thirteen trillion, eight hundred twelve billion, eighty-nine million, four hundred fifty-seven thousand, two hundred thirty-six".

Divisors: 1 2 4 7 14 28 7229 14458 28916 50603 101206 202412 68237503 136475006 272950012 477662521 955325042 1910650084 493288909187 986577818374 1973155636748 3453022364309 6906044728618 13812089457236