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10223132405 = 55657361433
BaseRepresentation
bin10011000010101100…
…01001111011110101
3222101110121221020112
421201112021323311
5131414110214110
64410233112405
7511224122513
oct114126117365
928343557215
1010223132405
114376767762
121b93858705
13c6bcb3895
146cda474b3
153ec786405
hex261589ef5

10223132405 has 8 divisors (see below), whose sum is σ = 12269961432. Its totient is φ = 8177037568.

The previous prime is 10223132399. The next prime is 10223132431. The reversal of 10223132405 is 50423132201.

It can be written as a sum of positive squares in 4 ways, for example, as 223532401 + 9999600004 = 14951^2 + 99998^2 .

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 10223132405 - 28 = 10223132149 is a prime.

It is a super-3 number, since 3×102231324053 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 7 ways as a sum of consecutive naturals, for example, 152432 + ... + 209001.

It is an arithmetic number, because the mean of its divisors is an integer number (1533745179).

Almost surely, 210223132405 is an apocalyptic number.

It is an amenable number.

10223132405 is a deficient number, since it is larger than the sum of its proper divisors (2046829027).

10223132405 is an equidigital number, since it uses as much as digits as its factorization.

10223132405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367095.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 10223132405 its reverse (50423132201), we get a palindrome (60646264606).

The spelling of 10223132405 in words is "ten billion, two hundred twenty-three million, one hundred thirty-two thousand, four hundred five".

Divisors: 1 5 5657 28285 361433 1807165 2044626481 10223132405