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13442007334521 = 311128974026131
BaseRepresentation
bin1100001110011011011000…
…0100100111111001111001
31202121001011121021121001210
43003212312010213321321
53230213212334201041
644331101203433333
72555103321063423
oct303466604477171
952531147247053
1013442007334521
1143127a5787287
121611199085849
137667641c08cc
1434684d1dd813
151849cddc8016
hexc39b6127e79

13442007334521 has 8 divisors (see below), whose sum is σ = 17922697002144. Its totient is φ = 8961327944960.

The previous prime is 13442007334471. The next prime is 13442007334537. The reversal of 13442007334521 is 12543370024431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13442007334521 - 210 = 13442007333497 is a prime.

It is a super-2 number, since 2×134420073345212 (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 13442007334521.

It is not an unprimeable number, because it can be changed into a prime (13442007384521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325626 + ... + 5351756.

It is an arithmetic number, because the mean of its divisors is an integer number (2240337125268).

Almost surely, 213442007334521 is an apocalyptic number.

It is an amenable number.

13442007334521 is a deficient number, since it is larger than the sum of its proper divisors (4480689667623).

13442007334521 is a wasteful number, since it uses less digits than its factorization.

13442007334521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139031.

The product of its (nonzero) digits is 241920, while the sum is 39.

Adding to 13442007334521 its reverse (12543370024431), we get a palindrome (25985377358952).

The spelling of 13442007334521 in words is "thirteen trillion, four hundred forty-two billion, seven million, three hundred thirty-four thousand, five hundred twenty-one".

Divisors: 1 3 1112897 3338691 4026131 12078393 4480669111507 13442007334521