Search a number
-
+
129423750593 = 1923709417721
BaseRepresentation
bin111100010001001000…
…0011011010111000001
3110101001202121202001012
41320202100123113001
54110024440004333
6135242332050305
712231145504634
oct1704220332701
9411052552035
10129423750593
114a985373455
12210bb903995
13c2876a3557
14639ab45c1b
153577487e48
hex1e2241b5c1

129423750593 has 16 divisors (see below), whose sum is σ = 142359657600. Its totient is φ = 117115320960.

The previous prime is 129423750559. The next prime is 129423750611. The reversal of 129423750593 is 395057324921.

It is a cyclic number.

It is not a de Polignac number, because 129423750593 - 26 = 129423750529 is a prime.

It is a super-3 number, since 3×1294237505933 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129423750503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100973 + ... + 518693.

It is an arithmetic number, because the mean of its divisors is an integer number (8897478600).

Almost surely, 2129423750593 is an apocalyptic number.

It is an amenable number.

129423750593 is a deficient number, since it is larger than the sum of its proper divisors (12935907007).

129423750593 is a wasteful number, since it uses less digits than its factorization.

129423750593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418472.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 129423750593 in words is "one hundred twenty-nine billion, four hundred twenty-three million, seven hundred fifty thousand, five hundred ninety-three".

Divisors: 1 19 23 437 709 13471 16307 309833 417721 7936699 9607583 182544077 296164189 5627119591 6811776347 129423750593