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18212734902241 = 115893728092763
BaseRepresentation
bin1000010010000011110111…
…00110000001111111100001
32101111010020210212101220001
410021001323212001333201
54341344140113332431
6102422452004220001
73556553356242445
oct411017346017741
971433223771801
1018212734902241
115891a83057a50
12206190009a601
13a215b8542b59
1446d702d2c825
15218b4d366e61
hex10907b981fe1

18212734902241 has 8 divisors (see below), whose sum is σ = 19868775895584. Its totient is φ = 16556750212320.

The previous prime is 18212734902227. The next prime is 18212734902259. The reversal of 18212734902241 is 14220943721281.

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 18212734902241 - 25 = 18212734902209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18212734902191 and 18212734902200.

It is not an unprimeable number, because it can be changed into a prime (18212734902211) 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, 13398075 + ... + 14694688.

It is an arithmetic number, because the mean of its divisors is an integer number (2483596986948).

Almost surely, 218212734902241 is an apocalyptic number.

18212734902241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18212734902241 is a deficient number, since it is larger than the sum of its proper divisors (1656040993343).

18212734902241 is a wasteful number, since it uses less digits than its factorization.

18212734902241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28151711.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 18212734902241 in words is "eighteen trillion, two hundred twelve billion, seven hundred thirty-four million, nine hundred two thousand, two hundred forty-one".

Divisors: 1 11 58937 648307 28092763 309020393 1655703172931 18212734902241