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613505144250231 = 3316596829508067
BaseRepresentation
bin1000101101111110101100110…
…0001100001101111101110111
32222110020112000100102101220120
42023133223030030031331313
51120403132013412001411
610012452212235303023
7243140166253310262
oct21337531414157567
92873215010371816
10613505144250231
11168533085979502
12589854a75aaa73
132044339630944c
14ab6db437a7cd9
154adda23dd5106
hex22dfacc30df77

613505144250231 has 8 divisors (see below), whose sum is σ = 844394177032704. Its totient is φ = 395809770483960.

The previous prime is 613505144250197. The next prime is 613505144250269. The reversal of 613505144250231 is 132052441505316.

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

It is not a de Polignac number, because 613505144250231 - 226 = 613505077141367 is a prime.

It is a super-2 number, since 2×6135051442502312 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613505144251231) 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, 3298414753941 + ... + 3298414754126.

It is an arithmetic number, because the mean of its divisors is an integer number (105549272129088).

Almost surely, 2613505144250231 is an apocalyptic number.

613505144250231 is a deficient number, since it is larger than the sum of its proper divisors (230889032782473).

613505144250231 is a wasteful number, since it uses less digits than its factorization.

613505144250231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6596829508101.

The product of its (nonzero) digits is 432000, while the sum is 42.

Adding to 613505144250231 its reverse (132052441505316), we get a palindrome (745557585755547).

The spelling of 613505144250231 in words is "six hundred thirteen trillion, five hundred five billion, one hundred forty-four million, two hundred fifty thousand, two hundred thirty-one".

Divisors: 1 3 31 93 6596829508067 19790488524201 204501714750077 613505144250231