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1213004001415 = 5242600800283
BaseRepresentation
bin10001101001101100101…
…011000011000010000111
311021221222100000211100111
4101221230223003002013
5124333213011021130
62325125113253451
7153431240614423
oct21515453030207
94257870024314
101213004001415
114284831548a8
12177108704287
138a50275aabb
14429d1615b83
152184667d02a
hex11a6cac3087

1213004001415 has 4 divisors (see below), whose sum is σ = 1455604801704. Its totient is φ = 970403201128.

The previous prime is 1213004001371. The next prime is 1213004001479. The reversal of 1213004001415 is 5141004003121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1213004001415 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121300400137 + ... + 121300400146.

It is an arithmetic number, because the mean of its divisors is an integer number (363901200426).

Almost surely, 21213004001415 is an apocalyptic number.

1213004001415 is a deficient number, since it is larger than the sum of its proper divisors (242600800289).

1213004001415 is an equidigital number, since it uses as much as digits as its factorization.

1213004001415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242600800288.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1213004001415 its reverse (5141004003121), we get a palindrome (6354008004536).

The spelling of 1213004001415 in words is "one trillion, two hundred thirteen billion, four million, one thousand, four hundred fifteen".

Divisors: 1 5 242600800283 1213004001415