Search a number
-
+
29250390257 = 1120691285223
BaseRepresentation
bin11011001111011101…
…011000100011110001
32210111111202210010022
4123033131120203301
5434401044442012
621234253213225
72053565133464
oct331735304361
983444683108
1029250390257
11114500a0150
125803a91215
1329b1ca613a
1415b6a792db
15b62e07472
hex6cf7588f1

29250390257 has 8 divisors (see below), whose sum is σ = 31924964160. Its totient is φ = 26578390960.

The previous prime is 29250390251. The next prime is 29250390269. The reversal of 29250390257 is 75209305292.

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

It is not a de Polignac number, because 29250390257 - 26 = 29250390193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29250390251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619853 + ... + 665370.

It is an arithmetic number, because the mean of its divisors is an integer number (3990620520).

Almost surely, 229250390257 is an apocalyptic number.

It is an amenable number.

29250390257 is a deficient number, since it is larger than the sum of its proper divisors (2674573903).

29250390257 is a wasteful number, since it uses less digits than its factorization.

29250390257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287303.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 29250390257 in words is "twenty-nine billion, two hundred fifty million, three hundred ninety thousand, two hundred fifty-seven".

Divisors: 1 11 2069 22759 1285223 14137453 2659126387 29250390257