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1213203232023 = 37911059462881
BaseRepresentation
bin10001101001111000100…
…011000011010100010111
311021222111012220210100220
4101221320203003110113
5124334120011411043
62325200551405423
7153436210215606
oct21517043032427
94258435823326
101213203232023
114285756617a2
12177163383873
138a534b05b33
1442a0dc77a3d
1521858dd4483
hex11a788c3517

1213203232023 has 16 divisors (see below), whose sum is σ = 1638231974400. Its totient is φ = 798490218240.

The previous prime is 1213203232013. The next prime is 1213203232049. The reversal of 1213203232023 is 3202323023121.

It is not a de Polignac number, because 1213203232023 - 25 = 1213203231991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213203231984 and 1213203232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213203232013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2389543 + ... + 2852423.

It is an arithmetic number, because the mean of its divisors is an integer number (102389498400).

Almost surely, 21213203232023 is an apocalyptic number.

1213203232023 is a deficient number, since it is larger than the sum of its proper divisors (425028742377).

1213203232023 is a wasteful number, since it uses less digits than its factorization.

1213203232023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474022.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1213203232023 its reverse (3202323023121), we get a palindrome (4415526255144).

The spelling of 1213203232023 in words is "one trillion, two hundred thirteen billion, two hundred three million, two hundred thirty-two thousand, twenty-three".

Divisors: 1 3 79 237 11059 33177 462881 873661 1388643 2620983 36567599 109702797 5119000979 15357002937 404401077341 1213203232023