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13012251023444 = 2259197310990023
BaseRepresentation
bin1011110101011010011010…
…0110011001100001010100
31201001221220010222000001112
42331112212212121201110
53201143042230222234
643401425014314152
72512050465522041
oct275264646314124
951057803860045
1013012251023444
114167512523a62
121561a40658958
13735085b3040a
1432db211081c8
15178729e8eace
hexbd5a6999854

13012251023444 has 48 divisors (see below), whose sum is σ = 23282691062400. Its totient is φ = 6361268516736.

The previous prime is 13012251023411. The next prime is 13012251023461. The reversal of 13012251023444 is 44432015221031.

13012251023444 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 2×130122510234442 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13012251023444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144498617 + ... + 144588639.

It is an arithmetic number, because the mean of its divisors is an integer number (485056063800).

Almost surely, 213012251023444 is an apocalyptic number.

It is an amenable number.

13012251023444 is a deficient number, since it is larger than the sum of its proper divisors (10270440038956).

13012251023444 is a wasteful number, since it uses less digits than its factorization.

13012251023444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93392 (or 93390 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 13012251023444 its reverse (44432015221031), we get a palindrome (57444266244475).

The spelling of 13012251023444 in words is "thirteen trillion, twelve billion, two hundred fifty-one million, twenty-three thousand, four hundred forty-four".

Divisors: 1 2 4 59 118 197 236 394 788 3109 6218 11623 12436 23246 46492 90023 180046 183431 360092 366862 612473 733724 1224946 2449892 5311357 10622714 17734531 21245428 35469062 36135907 70938124 72271814 144543628 279881507 559763014 1046337329 1119526028 2092674658 4185349316 16513008913 33026017826 55136656879 66052035652 110273313758 220546627516 3253062755861 6506125511722 13012251023444