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27121407434 = 21129477112739
BaseRepresentation
bin11001010000100011…
…111101010111001010
32121000010201020201122
4121100203331113022
5421021040014214
620243121515242
71650044105462
oct312043752712
977003636648
1027121407434
1110558366910
12530aaa2b22
132732bab2a4
141454006ba2
15a8b06788e
hex6508fd5ca

27121407434 has 64 divisors (see below), whose sum is σ = 47551795200. Its totient is φ = 11484580800.

The previous prime is 27121407409. The next prime is 27121407449. The reversal of 27121407434 is 43470412172.

It is a super-3 number, since 3×271214074343 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27121407394 and 27121407403.

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, 2122637 + ... + 2135375.

It is an arithmetic number, because the mean of its divisors is an integer number (742996800).

Almost surely, 227121407434 is an apocalyptic number.

27121407434 is a deficient number, since it is larger than the sum of its proper divisors (20430387766).

27121407434 is a wasteful number, since it uses less digits than its factorization.

27121407434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12899.

The product of its (nonzero) digits is 37632, while the sum is 35.

The spelling of 27121407434 in words is "twenty-seven billion, one hundred twenty-one million, four hundred seven thousand, four hundred thirty-four".

Divisors: 1 2 11 22 29 47 58 71 94 142 319 517 638 781 1034 1363 1562 2059 2726 3337 4118 6674 12739 14993 22649 25478 29986 36707 45298 73414 96773 140129 193546 280258 369431 598733 738862 904469 1064503 1197466 1808938 2129006 4063741 6586063 8127482 9949159 13172126 17363257 19898318 26229601 34726514 42510043 52459202 85020086 190995827 288525611 381991654 467610473 577051222 935220946 1232791247 2465582494 13560703717 27121407434