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1214012613161 = 11083109538267
BaseRepresentation
bin10001101010101000110…
…010100110001000101001
311022001120121220121120002
4101222220302212020221
5124342244212110121
62325413143312345
7153465235643435
oct21525062461051
94261517817502
101214012613161
1142895051a827
1217734a44b6b5
138a6336c199a
1442a895659c5
15218a4eb0e0b
hex11aa8ca6229

1214012613161 has 4 divisors (see below), whose sum is σ = 1214122162512. Its totient is φ = 1213903063812.

The previous prime is 1214012613157. The next prime is 1214012613223. The reversal of 1214012613161 is 1613162104121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1214012613161 - 22 = 1214012613157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214012613131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54758051 + ... + 54780216.

It is an arithmetic number, because the mean of its divisors is an integer number (303530540628).

Almost surely, 21214012613161 is an apocalyptic number.

It is an amenable number.

1214012613161 is a deficient number, since it is larger than the sum of its proper divisors (109549351).

1214012613161 is a wasteful number, since it uses less digits than its factorization.

1214012613161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109549350.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 1214012613161 its reverse (1613162104121), we get a palindrome (2827174717282).

The spelling of 1214012613161 in words is "one trillion, two hundred fourteen billion, twelve million, six hundred thirteen thousand, one hundred sixty-one".

Divisors: 1 11083 109538267 1214012613161