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11638010590 = 252940131071
BaseRepresentation
bin10101101011010110…
…11111001011011110
31010001001222012020021
422311223133023132
5142313312314330
65202454542354
7561254313013
oct126553371336
933031865207
1011638010590
114a32398678
1223096679ba
1311361713cb
147c590d70a
15481ab967a
hex2b5adf2de

11638010590 has 16 divisors (see below), whose sum is σ = 21670778880. Its totient is φ = 4494679840.

The previous prime is 11638010543. The next prime is 11638010591. The reversal of 11638010590 is 9501083611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11638010591) 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, 20065246 + ... + 20065825.

It is an arithmetic number, because the mean of its divisors is an integer number (1354423680).

Almost surely, 211638010590 is an apocalyptic number.

11638010590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11638010590 is a deficient number, since it is larger than the sum of its proper divisors (10032768290).

11638010590 is a wasteful number, since it uses less digits than its factorization.

11638010590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40131107.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 11638010590 in words is "eleven billion, six hundred thirty-eight million, ten thousand, five hundred ninety".

Divisors: 1 2 5 10 29 58 145 290 40131071 80262142 200655355 401310710 1163801059 2327602118 5819005295 11638010590