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12233215293 = 3136114533539
BaseRepresentation
bin10110110010010100…
…00000110100111101
31011120112221201120220
423121022000310331
5200023200342133
65341520131553
7612102420465
oct133112006475
934515851526
1012233215293
115208370792
122454a66bb9
1311cc57b440
148409a8ba5
154b8e8b5b3
hex2d9280d3d

12233215293 has 32 divisors (see below), whose sum is σ = 17870939520. Its totient is φ = 7397533440.

The previous prime is 12233215279. The next prime is 12233215361. The reversal of 12233215293 is 39251233221.

It is not a de Polignac number, because 12233215293 - 218 = 12232953149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233215213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3454918 + ... + 3458456.

It is an arithmetic number, because the mean of its divisors is an integer number (558466860).

Almost surely, 212233215293 is an apocalyptic number.

12233215293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12233215293 is a deficient number, since it is larger than the sum of its proper divisors (5637724227).

12233215293 is a wasteful number, since it uses less digits than its factorization.

12233215293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069.

The product of its digits is 19440, while the sum is 33.

The spelling of 12233215293 in words is "twelve billion, two hundred thirty-three million, two hundred fifteen thousand, two hundred ninety-three".

Divisors: 1 3 13 39 61 183 793 1453 2379 3539 4359 10617 18889 46007 56667 88633 138021 215879 265899 647637 1152229 2806427 3456687 5142167 8419281 15426501 66848171 200544513 313672187 941016561 4077738431 12233215293