Search a number
-
+
12010493691 = 3272775211321
BaseRepresentation
bin10110010111110000…
…11001011011111011
31011000000212021222200
423023320121123323
5144044141244231
65303442321243
7603426340410
oct131370313373
934000767880
1012010493691
115103679749
1223b2359223
13119539a001
1481d190107
154a4644be6
hex2cbe196fb

12010493691 has 48 divisors (see below), whose sum is σ = 19951708608. Its totient is φ = 6820070400.

The previous prime is 12010493683. The next prime is 12010493699. The reversal of 12010493691 is 19639401021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12010493683) and next prime (12010493699).

It is not a de Polignac number, because 12010493691 - 23 = 12010493683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12010493699) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9091311 + ... + 9092631.

It is an arithmetic number, because the mean of its divisors is an integer number (415660596).

Almost surely, 212010493691 is an apocalyptic number.

12010493691 is a deficient number, since it is larger than the sum of its proper divisors (7941214917).

12010493691 is a wasteful number, since it uses less digits than its factorization.

12010493691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132 (or 2129 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 12010493691 in words is "twelve billion, ten million, four hundred ninety-three thousand, six hundred ninety-one".

Divisors: 1 3 7 9 21 63 277 521 831 1321 1563 1939 2493 3647 3963 4689 5817 9247 10941 11889 17451 27741 32823 83223 144317 365917 432951 688241 1010219 1097751 1298853 2064723 2561419 3030657 3293253 4817687 6194169 7684257 9091971 14453061 23052771 43359183 190642757 571928271 1334499299 1715784813 4003497897 12010493691