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27490506430 = 25233125115361
BaseRepresentation
bin11001100110100011…
…111101011010111110
32121221212020102100211
4121212203331122332
5422300032201210
620343504543034
71662145310032
oct314643753276
977855212324
1027490506430
1110727746402
1253b2621a7a
1327914c076a
14148b0461c2
15aad67538a
hex6668fd6be

27490506430 has 64 divisors (see below), whose sum is σ = 53515800576. Its totient is φ = 10137600000.

The previous prime is 27490506427. The next prime is 27490506467. The reversal of 27490506430 is 3460509472.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1781950 + ... + 1797310.

It is an arithmetic number, because the mean of its divisors is an integer number (836184384).

Almost surely, 227490506430 is an apocalyptic number.

27490506430 is a deficient number, since it is larger than the sum of its proper divisors (26025294146).

27490506430 is a wasteful number, since it uses less digits than its factorization.

27490506430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15673.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 27490506430 in words is "twenty-seven billion, four hundred ninety million, five hundred six thousand, four hundred thirty".

Divisors: 1 2 5 10 23 31 46 62 115 155 230 251 310 502 713 1255 1426 2510 3565 5773 7130 7781 11546 15361 15562 28865 30722 38905 57730 76805 77810 153610 178963 353303 357926 476191 706606 894815 952382 1766515 1789630 2380955 3533030 3855611 4761910 7711222 10952393 19278055 21904786 38556110 54761965 88679053 109523930 119523941 177358106 239047882 443395265 597619705 886790530 1195239410 2749050643 5498101286 13745253215 27490506430