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244230520231 = 6731051334519
BaseRepresentation
bin1110001101110101000…
…1011111110110100111
3212100101211210220202101
43203131101133312213
513000141003121411
6304110431352531
723434155112015
oct3433521376647
9770354726671
10244230520231
1194639841755
123b400382747
131a0529a5139
14bb6c48b8b5
1565465688c1
hex38dd45fda7

244230520231 has 8 divisors (see below), whose sum is σ = 244623770720. Its totient is φ = 243837361152.

The previous prime is 244230520223. The next prime is 244230520241. The reversal of 244230520231 is 132025032442.

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 244230520231 - 23 = 244230520223 is a prime.

It is a super-2 number, since 2×2442305202312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244230520231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244230520241) 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, 7057990 + ... + 7092508.

It is an arithmetic number, because the mean of its divisors is an integer number (30577971340).

Almost surely, 2244230520231 is an apocalyptic number.

244230520231 is a deficient number, since it is larger than the sum of its proper divisors (393250489).

244230520231 is a wasteful number, since it uses less digits than its factorization.

244230520231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45705.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 244230520231 its reverse (132025032442), we get a palindrome (376255552673).

The spelling of 244230520231 in words is "two hundred forty-four billion, two hundred thirty million, five hundred twenty thousand, two hundred thirty-one".

Divisors: 1 673 10513 34519 7075249 23231287 362898247 244230520231