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12023023110 = 2357193013289
BaseRepresentation
bin10110011001010000…
…01100011000000110
31011000220102212010020
423030220030120012
5144110343214420
65305011040010
7603641003340
oct131450143006
934026385106
1012023023110
11510a75723a
1223b65a0006
131197b65c77
14820ad2290
154a57bc340
hex2cca0c606

12023023110 has 64 divisors (see below), whose sum is σ = 34713100800. Its totient is φ = 2603480832.

The previous prime is 12023023109. The next prime is 12023023123. The reversal of 12023023110 is 1132032021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12023023110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1502655 + ... + 1510634.

It is an arithmetic number, because the mean of its divisors is an integer number (542392200).

Almost surely, 212023023110 is an apocalyptic number.

12023023110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12023023110 is an abundant number, since it is smaller than the sum of its proper divisors (22690077690).

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

12023023110 is a wasteful number, since it uses less digits than its factorization.

12023023110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013325.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12023023110 its reverse (1132032021), we get a palindrome (13155055131).

The spelling of 12023023110 in words is "twelve billion, twenty-three million, twenty-three thousand, one hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 95 105 114 133 190 210 266 285 399 570 665 798 1330 1995 3990 3013289 6026578 9039867 15066445 18079734 21093023 30132890 42186046 45199335 57252491 63279069 90398670 105465115 114504982 126558138 171757473 210930230 286262455 316395345 343514946 400767437 572524910 632790690 801534874 858787365 1202302311 1717574730 2003837185 2404604622 4007674370 6011511555 12023023110