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13660623106 = 213525408581
BaseRepresentation
bin11001011100011110…
…01001000100000010
31022021000212112222221
430232033021010002
5210434104414411
610135310321254
7662344244344
oct145617110402
938230775887
1013660623106
11588007a369
122792ab922a
131399205050
149383b3294
1554e447071
hex32e3c9102

13660623106 has 8 divisors (see below), whose sum is σ = 22067160444. Its totient is φ = 6304902960.

The previous prime is 13660623023. The next prime is 13660623131. The reversal of 13660623106 is 60132606631.

It can be written as a sum of positive squares in 2 ways, for example, as 13597658881 + 62964225 = 116609^2 + 7935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×136606231062 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262704265 + ... + 262704316.

Almost surely, 213660623106 is an apocalyptic number.

13660623106 is a deficient number, since it is larger than the sum of its proper divisors (8406537338).

13660623106 is a wasteful number, since it uses less digits than its factorization.

13660623106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525408596.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 13660623106 in words is "thirteen billion, six hundred sixty million, six hundred twenty-three thousand, one hundred six".

Divisors: 1 2 13 26 525408581 1050817162 6830311553 13660623106