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13530010236 = 2235321273601
BaseRepresentation
bin11001001100111001…
…11001001001111100
31021220221002201211020
430212130321021330
5210202140311421
610114323024140
7656200121661
oct144634711174
937827081736
1013530010236
115813379a46
12275720b050
131378133622
14924cd3a68
15542c46dc6
hex32673927c

13530010236 has 24 divisors (see below), whose sum is σ = 32165686224. Its totient is φ = 4424908800.

The previous prime is 13530010211. The next prime is 13530010237. The reversal of 13530010236 is 63201003531.

It is a happy number.

It is a super-2 number, since 2×135300102362 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530010237) 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, 10636165 + ... + 10637436.

It is an arithmetic number, because the mean of its divisors is an integer number (1340236926).

Almost surely, 213530010236 is an apocalyptic number.

It is an amenable number.

13530010236 is an abundant number, since it is smaller than the sum of its proper divisors (18635675988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13530010236 is a wasteful number, since it uses less digits than its factorization.

13530010236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21273661 (or 21273659 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 13530010236 its reverse (63201003531), we get a palindrome (76731013767).

The spelling of 13530010236 in words is "thirteen billion, five hundred thirty million, ten thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 21273601 42547202 63820803 85094404 127641606 255283212 1127500853 2255001706 3382502559 4510003412 6765005118 13530010236