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1213023133103 = 17317881392131
BaseRepresentation
bin10001101001101101110…
…100000001110110101111
311021222000200000211002112
4101221231310001312233
5124333232410224403
62325131035314235
7153431562336065
oct21515564016657
94258020024075
101213023133103
11428492a31811
12177112bab97b
138a5066c8c22
14429d3d96035
15218481ab9d8
hex11a6dd01daf

1213023133103 has 8 divisors (see below), whose sum is σ = 1220106169776. Its totient is φ = 1205940916800.

The previous prime is 1213023133093. The next prime is 1213023133109. The reversal of 1213023133103 is 3013313203121.

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 1213023133103 - 214 = 1213023116719 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 (1213023133109) 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, 2897348 + ... + 3289478.

It is an arithmetic number, because the mean of its divisors is an integer number (152513271222).

Almost surely, 21213023133103 is an apocalyptic number.

1213023133103 is a deficient number, since it is larger than the sum of its proper divisors (7083036673).

1213023133103 is a wasteful number, since it uses less digits than its factorization.

1213023133103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410185.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1213023133103 its reverse (3013313203121), we get a palindrome (4226336336224).

The spelling of 1213023133103 in words is "one trillion, two hundred thirteen billion, twenty-three million, one hundred thirty-three thousand, one hundred three".

Divisors: 1 173 17881 392131 3093413 67838663 7011694411 1213023133103