Search a number
-
+
231752416897 = 2313773548847
BaseRepresentation
bin1101011111010110000…
…1010011111010000001
3211011012020001120221001
43113311201103322001
512244112104320042
6254244322332001
722513020020011
oct3276541237201
9734166046831
10231752416897
118a316219a61
1238ab94ba001
1318b14784041
14b307177c41
156065d57bb7
hex35f5853e81

231752416897 has 8 divisors (see below), whose sum is σ = 243593784576. Its totient is φ = 220058147232.

The previous prime is 231752416891. The next prime is 231752416901. The reversal of 231752416897 is 798614257132.

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 231752416897 - 27 = 231752416769 is a prime.

It is a super-2 number, since 2×2317524168972 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231752416891) 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, 36771273 + ... + 36777574.

It is an arithmetic number, because the mean of its divisors is an integer number (30449223072).

Almost surely, 2231752416897 is an apocalyptic number.

It is an amenable number.

231752416897 is a deficient number, since it is larger than the sum of its proper divisors (11841367679).

231752416897 is a wasteful number, since it uses less digits than its factorization.

231752416897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73549007.

The product of its digits is 5080320, while the sum is 55.

The spelling of 231752416897 in words is "two hundred thirty-one billion, seven hundred fifty-two million, four hundred sixteen thousand, eight hundred ninety-seven".

Divisors: 1 23 137 3151 73548847 1691623481 10076192039 231752416897