Search a number
-
+
13121013232101 = 343101713280869
BaseRepresentation
bin1011111011101111100101…
…0101010011000111100101
31201110100121222020122220210
42332323321111103013211
53204433313341411401
643523413230050033
72522650640165265
oct276737125230745
951410558218823
1013121013232101
1141a96549a6115
12157ab34949919
137423c9a636b8
143350bbb617a5
1517b4935844d6
hexbeef95531e5

13121013232101 has 8 divisors (see below), whose sum is σ = 17901537433120. Its totient is φ = 8543915592912.

The previous prime is 13121013232091. The next prime is 13121013232111. The reversal of 13121013232101 is 10123231012131.

It is an interprime number because it is at equal distance from previous prime (13121013232091) and next prime (13121013232111).

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

It is not a de Polignac number, because 13121013232101 - 26 = 13121013232037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121013232111) 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, 50856640306 + ... + 50856640563.

It is an arithmetic number, because the mean of its divisors is an integer number (2237692179140).

Almost surely, 213121013232101 is an apocalyptic number.

It is an amenable number.

13121013232101 is a deficient number, since it is larger than the sum of its proper divisors (4780524201019).

13121013232101 is a wasteful number, since it uses less digits than its factorization.

13121013232101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101713280915.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13121013232101 its reverse (10123231012131), we get a palindrome (23244244244232).

The spelling of 13121013232101 in words is "thirteen trillion, one hundred twenty-one billion, thirteen million, two hundred thirty-two thousand, one hundred one".

Divisors: 1 3 43 129 101713280869 305139842607 4373671077367 13121013232101