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13130212121213 = 117691552218007
BaseRepresentation
bin1011111100010001110110…
…1000010001101001111101
31201111020101001120122111112
42333010131220101221331
53210111133300334323
643531534114131405
72523424616356055
oct277043550215175
951436331518445
1013130212121213
114202545490710
121580881580b65
1374323479c455
1433571174a565
1517b830e4b178
hexbf11da11a7d

13130212121213 has 8 divisors (see below), whose sum is σ = 14342494393920. Its totient is φ = 11921034286080.

The previous prime is 13130212121197. The next prime is 13130212121219. The reversal of 13130212121213 is 31212121203131.

It is a happy number.

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 13130212121213 - 24 = 13130212121197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130212121219) 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, 776100545 + ... + 776117462.

It is an arithmetic number, because the mean of its divisors is an integer number (1792811799240).

Almost surely, 213130212121213 is an apocalyptic number.

It is an amenable number.

13130212121213 is a deficient number, since it is larger than the sum of its proper divisors (1212282272707).

13130212121213 is a wasteful number, since it uses less digits than its factorization.

13130212121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552218787.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 13130212121213 its reverse (31212121203131), we get a palindrome (44342333324344).

The spelling of 13130212121213 in words is "thirteen trillion, one hundred thirty billion, two hundred twelve million, one hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 11 769 8459 1552218007 17074398077 1193655647383 13130212121213