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18023023610 = 2519149636631
BaseRepresentation
bin10000110010010000…
…011000001111111010
31201112001111110110222
4100302100120033322
5243402343223420
612140223540042
71205425113224
oct206220301772
951461443428
1018023023610
117709588439
1235aba5a622
131912c32017
14c2d901414
15707405225
hex4324183fa

18023023610 has 32 divisors (see below), whose sum is σ = 34378128000. Its totient is φ = 6783929280.

The previous prime is 18023023607. The next prime is 18023023661. The reversal of 18023023610 is 1632032081.

It is a self number, because there is not a number n which added to its sum of digits gives 18023023610.

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, 290006 + ... + 346625.

It is an arithmetic number, because the mean of its divisors is an integer number (1074316500).

Almost surely, 218023023610 is an apocalyptic number.

18023023610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18023023610 is a deficient number, since it is larger than the sum of its proper divisors (16355104390).

18023023610 is a wasteful number, since it uses less digits than its factorization.

18023023610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636806.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 18023023610 its reverse (1632032081), we get a palindrome (19655055691).

The spelling of 18023023610 in words is "eighteen billion, twenty-three million, twenty-three thousand, six hundred ten".

Divisors: 1 2 5 10 19 38 95 149 190 298 745 1490 2831 5662 14155 28310 636631 1273262 3183155 6366310 12095989 24191978 60479945 94858019 120959890 189716038 474290095 948580190 1802302361 3604604722 9011511805 18023023610