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18023066030 = 254758765327
BaseRepresentation
bin10000110010010000…
…100010100110101110
31201112001120121200002
4100302100202212232
5243402401103110
612140224504302
71205425351004
oct206220424656
951461517602
1018023066030
1177096072a2
1235aba7b092
131912c48418
14c2d912a74
15707412aa5
hex4324229ae

18023066030 has 32 divisors (see below), whose sum is σ = 33188714496. Its totient is φ = 7043710624.

The previous prime is 18023066021. The next prime is 18023066051. The reversal of 18023066030 is 3066032081.

It is a junction number, because it is equal to n+sod(n) for n = 18023065984 and 18023066002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243227 + ... + 308553.

It is an arithmetic number, because the mean of its divisors is an integer number (1037147328).

Almost surely, 218023066030 is an apocalyptic number.

18023066030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18023066030 is a deficient number, since it is larger than the sum of its proper divisors (15165648466).

18023066030 is a wasteful number, since it uses less digits than its factorization.

18023066030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65968.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 18023066030 in words is "eighteen billion, twenty-three million, sixty-six thousand, thirty".

Divisors: 1 2 5 10 47 94 235 470 587 1174 2935 5870 27589 55178 65327 130654 137945 275890 326635 653270 3070369 6140738 15351845 30703690 38346949 76693898 191734745 383469490 1802306603 3604613206 9011533015 18023066030