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18074651364 = 223472112972
BaseRepresentation
bin10000110101010101…
…010100101011100100
31201122122122102110000
4100311111110223210
5244004102320424
612145310301300
71206623000400
oct206525245344
951578572400
1018074651364
117735740100
1236051b7830
13192083a2a3
14c36700100
1570bc023c9
hex435554ae4

18074651364 has 405 divisors, whose sum is σ = 61045464249. Its totient is φ = 4646315520.

The previous prime is 18074651359. The next prime is 18074651377. The reversal of 18074651364 is 46315647081.

The square root of 18074651364 is 134442.

It is a perfect power (a square), and thus also a powerful number.

18074651364 is a `hidden beast` number, since 1 + 8 + 0 + 74 + 6 + 513 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8116208100 + 9958443264 = 90090^2 + 99792^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 186336564 + ... + 186336660.

Almost surely, 218074651364 is an apocalyptic number.

18074651364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18074651364 is the 134442-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18074651364

18074651364 is an abundant number, since it is smaller than the sum of its proper divisors (42970812885).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18074651364 is a wasteful number, since it uses less digits than its factorization.

18074651364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 18074651364 in words is "eighteen billion, seventy-four million, six hundred fifty-one thousand, three hundred sixty-four".