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141102018 = 232193113309
BaseRepresentation
bin10000110100100…
…00101111000010
3100211111201120200
420122100233002
5242110231033
622000150030
73332230101
oct1032205702
9324451520
10141102018
1172715042
123b308316
1323304b25
1414a50038
15c5c3013
hex8690bc2

141102018 has 48 divisors (see below), whose sum is σ = 332217600. Its totient is φ = 43117920.

The previous prime is 141102011. The next prime is 141102019. The reversal of 141102018 is 810201141.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (141102011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3948 + ... + 17256.

It is an arithmetic number, because the mean of its divisors is an integer number (6921200).

Almost surely, 2141102018 is an apocalyptic number.

141102018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 141102018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166108800).

141102018 is an abundant number, since it is smaller than the sum of its proper divisors (191115582).

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

141102018 is a wasteful number, since it uses less digits than its factorization.

141102018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13367 (or 13364 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 141102018 is about 11878.6370430281. The cubic root of 141102018 is about 520.6082847126.

Adding to 141102018 its reverse (810201141), we get a palindrome (951303159).

The spelling of 141102018 in words is "one hundred forty-one million, one hundred two thousand, eighteen".

Divisors: 1 2 3 6 9 18 19 31 38 57 62 93 114 171 186 279 342 558 589 1178 1767 3534 5301 10602 13309 26618 39927 79854 119781 239562 252871 412579 505742 758613 825158 1237737 1517226 2275839 2475474 3713211 4551678 7426422 7839001 15678002 23517003 47034006 70551009 141102018