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18740743383 = 358710642103
BaseRepresentation
bin10001011101000010…
…010000110011010111
31210101002000101220210
4101131002100303113
5301340112242013
612335343100503
71232261455545
oct213502206327
953332011823
1018740743383
117a4772a97a
1237702a1733
1319c883698b
14c9ad6cd95
1574a427cc3
hex45d090cd7

18740743383 has 8 divisors (see below), whose sum is σ = 25030228608. Its totient is φ = 12472543544.

The previous prime is 18740743337. The next prime is 18740743393. The reversal of 18740743383 is 38334704781.

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 18740743383 - 26 = 18740743319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18740743393) 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, 5319291 + ... + 5322812.

It is an arithmetic number, because the mean of its divisors is an integer number (3128778576).

Almost surely, 218740743383 is an apocalyptic number.

18740743383 is a deficient number, since it is larger than the sum of its proper divisors (6289485225).

18740743383 is a wasteful number, since it uses less digits than its factorization.

18740743383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642693.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 18740743383 in words is "eighteen billion, seven hundred forty million, seven hundred forty-three thousand, three hundred eighty-three".

Divisors: 1 3 587 1761 10642103 31926309 6246914461 18740743383