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141018813 = 3413157853
BaseRepresentation
bin10000110011111…
…00011010111101
3100211100111110000
420121330122331
5242100100223
621554304513
73331432365
oct1031743275
9324314400
10141018813
1172668581
123b288139
13232a5cb0
1414a2b9a5
15c5a8543
hex867c6bd

141018813 has 40 divisors (see below), whose sum is σ = 228574808. Its totient is φ = 86126976.

The previous prime is 141018799. The next prime is 141018827. The reversal of 141018813 is 318810141.

It is an interprime number because it is at equal distance from previous prime (141018799) and next prime (141018827).

It can be written as a sum of positive squares in 4 ways, for example, as 4549689 + 136469124 = 2133^2 + 11682^2 .

It is not a de Polignac number, because 141018813 - 24 = 141018797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141018833) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 164895 + ... + 165747.

Almost surely, 2141018813 is an apocalyptic number.

141018813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

141018813 is a deficient number, since it is larger than the sum of its proper divisors (87555995).

141018813 is a wasteful number, since it uses less digits than its factorization.

141018813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 141018813 is about 11875.1342308203. The cubic root of 141018813 is about 520.5059338742.

Adding to 141018813 its reverse (318810141), we get a palindrome (459828954).

The spelling of 141018813 in words is "one hundred forty-one million, eighteen thousand, eight hundred thirteen".

Divisors: 1 3 9 13 27 39 81 117 157 351 471 853 1053 1413 2041 2559 4239 6123 7677 11089 12717 18369 23031 33267 55107 69093 99801 133921 165321 299403 401763 898209 1205289 1740973 3615867 5222919 10847601 15668757 47006271 141018813