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1255113434 = 21771519931
BaseRepresentation
bin100101011001111…
…1000001011011010
310020110201100221202
41022303320023122
510032302112214
6324313234202
743050200561
oct11263701332
93213640852
101255113434
1159452a333
122b0402962
13170050193
14bc998bd8
15752c56de
hex4acf82da

1255113434 has 16 divisors (see below), whose sum is σ = 2021495616. Its totient is φ = 582321600.

The previous prime is 1255113413. The next prime is 1255113463. The reversal of 1255113434 is 4343115521.

It is a junction number, because it is equal to n+sod(n) for n = 1255113397 and 1255113406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257552 + ... + 262379.

It is an arithmetic number, because the mean of its divisors is an integer number (126343476).

Almost surely, 21255113434 is an apocalyptic number.

1255113434 is a deficient number, since it is larger than the sum of its proper divisors (766382182).

1255113434 is a wasteful number, since it uses less digits than its factorization.

1255113434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520021.

The product of its digits is 7200, while the sum is 29.

The square root of 1255113434 is about 35427.5801318690. The cubic root of 1255113434 is about 1078.6842212366.

Adding to 1255113434 its reverse (4343115521), we get a palindrome (5598228955).

The spelling of 1255113434 in words is "one billion, two hundred fifty-five million, one hundred thirteen thousand, four hundred thirty-four".

Divisors: 1 2 17 34 71 142 1207 2414 519931 1039862 8838827 17677654 36915101 73830202 627556717 1255113434