Search a number
-
+
102343241440231 = 1133128108552991
BaseRepresentation
bin10111010001010010100100…
…100011010001101111100111
3111102100220210110111011120021
4113101102210203101233213
5101403242424302041411
61001355500331020011
730362024633560561
oct2721224443215747
9442326713434507
10102343241440231
112a67858578a320
12b58a98059a607
134514c06ca922c
141b3b6216a6331
15bc72b12c9a71
hex5d14a48d1be7

102343241440231 has 8 divisors (see below), whose sum is σ = 111984475120128. Its totient is φ = 92758224867000.

The previous prime is 102343241440207. The next prime is 102343241440273. The reversal of 102343241440231 is 132044142343201.

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

It is not a de Polignac number, because 102343241440231 - 225 = 102343207885799 is a prime.

It is a super-2 number, since 2×1023432414402312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102343241446231) 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, 14054272855 + ... + 14054280136.

It is an arithmetic number, because the mean of its divisors is an integer number (13998059390016).

Almost surely, 2102343241440231 is an apocalyptic number.

102343241440231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102343241440231 is a deficient number, since it is larger than the sum of its proper divisors (9641233679897).

102343241440231 is a wasteful number, since it uses less digits than its factorization.

102343241440231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28108553333.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 102343241440231 its reverse (132044142343201), we get a palindrome (234387383783432).

The spelling of 102343241440231 in words is "one hundred two trillion, three hundred forty-three billion, two hundred forty-one million, four hundred forty thousand, two hundred thirty-one".

Divisors: 1 11 331 3641 28108552991 309194082901 9303931040021 102343241440231