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23006405354 = 217676658981
BaseRepresentation
bin10101011011010010…
…011110001011101010
32012101100121111002012
4111123102132023222
5334104114432404
614322523035522
71443056135042
oct253322361352
965340544065
1023006405354
119836574949
12456096bba2
1322284c280a
1411836b8722
158e9b77a6e
hex55b49e2ea

23006405354 has 8 divisors (see below), whose sum is σ = 36539585028. Its totient is φ = 10826543680.

The previous prime is 23006405353. The next prime is 23006405437. The reversal of 23006405354 is 45350460032.

It can be written as a sum of positive squares in 2 ways, for example, as 22999239025 + 7166329 = 151655^2 + 2677^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23006405354.

It is not an unprimeable number, because it can be changed into a prime (23006405353) 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 3 ways as a sum of consecutive naturals, for example, 338329457 + ... + 338329524.

Almost surely, 223006405354 is an apocalyptic number.

23006405354 is a deficient number, since it is larger than the sum of its proper divisors (13533179674).

23006405354 is a wasteful number, since it uses less digits than its factorization.

23006405354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676659000.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 23006405354 its reverse (45350460032), we get a palindrome (68356865386).

The spelling of 23006405354 in words is "twenty-three billion, six million, four hundred five thousand, three hundred fifty-four".

Divisors: 1 2 17 34 676658981 1353317962 11503202677 23006405354