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12023022401 = 137327745737
BaseRepresentation
bin10110011001010000…
…01100001101000001
31011000220102211010222
423030220030031001
5144110343204101
65305011032425
7603641001305
oct131450141501
934026384128
1012023022401
11510a756755
1223b659b715
131197b65850
14820ad1d05
154a57bc01b
hex2cca0c341

12023022401 has 16 divisors (see below), whose sum is σ = 13172909904. Its totient is φ = 10906389504.

The previous prime is 12023022383. The next prime is 12023022433. The reversal of 12023022401 is 10422032021.

It can be written as a sum of positive squares in 8 ways, for example, as 2584705600 + 9438316801 = 50840^2 + 97151^2 .

It is a cyclic number.

It is not a de Polignac number, because 12023022401 - 26 = 12023022337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12023022401.

It is not an unprimeable number, because it can be changed into a prime (12023025401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240005 + ... + 285741.

It is an arithmetic number, because the mean of its divisors is an integer number (823306869).

Almost surely, 212023022401 is an apocalyptic number.

It is an amenable number.

12023022401 is a deficient number, since it is larger than the sum of its proper divisors (1149887503).

12023022401 is a wasteful number, since it uses less digits than its factorization.

12023022401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46100.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12023022401 its reverse (10422032021), we get a palindrome (22445054422).

The spelling of 12023022401 in words is "twelve billion, twenty-three million, twenty-two thousand, four hundred one".

Divisors: 1 13 73 277 949 3601 20221 45737 262873 594581 3338801 12669149 43404413 164698937 924847877 12023022401