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27490506429 = 3431097012789
BaseRepresentation
bin11001100110100011…
…111101011010111101
32121221212020102100210
4121212203331122331
5422300032201204
620343504543033
71662145310031
oct314643753275
977855212323
1027490506429
1110727746401
1253b2621a79
1327914c0769
14148b0461c1
15aad675389
hex6668fd6bd

27490506429 has 32 divisors (see below), whose sum is σ = 37918108800. Its totient is φ = 17704915200.

The previous prime is 27490506427. The next prime is 27490506467. The reversal of 27490506429 is 92460509472.

It is not a de Polignac number, because 27490506429 - 21 = 27490506427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27490506427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9855367 + ... + 9858155.

It is an arithmetic number, because the mean of its divisors is an integer number (1184940900).

Almost surely, 227490506429 is an apocalyptic number.

It is an amenable number.

27490506429 is a deficient number, since it is larger than the sum of its proper divisors (10427602371).

27490506429 is a wasteful number, since it uses less digits than its factorization.

27490506429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 27490506429 in words is "twenty-seven billion, four hundred ninety million, five hundred six thousand, four hundred twenty-nine".

Divisors: 1 3 43 109 129 327 701 2103 2789 4687 8367 14061 30143 76409 90429 119927 229227 304001 359781 912003 1955089 3285587 5865267 9856761 13072043 39216129 84068827 213104701 252206481 639314103 9163502143 27490506429