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135212410 = 25113119657
BaseRepresentation
bin10000000111100…
…10110101111010
3100102102111120001
420003302311322
5234103244120
621230023214
73231200164
oct1003626572
9312374501
10135212410
116a3620a3
1239347b0a
1322022158
1413d59934
15bd0ce0a
hex80f2d7a

135212410 has 16 divisors (see below), whose sum is σ = 245538216. Its totient is φ = 53605888.

The previous prime is 135212347. The next prime is 135212411. The reversal of 135212410 is 14212531.

135212410 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 46908801 + 88303609 = 6849^2 + 9397^2 .

It is not an unprimeable number, because it can be changed into a prime (135212411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58699 + ... + 60958.

Almost surely, 2135212410 is an apocalyptic number.

135212410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135212410 is a deficient number, since it is larger than the sum of its proper divisors (110325806).

135212410 is a wasteful number, since it uses less digits than its factorization.

135212410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119777.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 135212410 is about 11628.0871169767. The cubic root of 135212410 is about 513.2616919005.

Adding to 135212410 its reverse (14212531), we get a palindrome (149424941).

It can be divided in two parts, 13521 and 2410, that added together give a triangular number (15931 = T178).

The spelling of 135212410 in words is "one hundred thirty-five million, two hundred twelve thousand, four hundred ten".

Divisors: 1 2 5 10 113 226 565 1130 119657 239314 598285 1196570 13521241 27042482 67606205 135212410