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13011895306 = 213747488669
BaseRepresentation
bin11000001111001000…
…11100010000001010
31020120211011202202101
430013210130100022
5203122021122211
65551054024014
7640306166554
oct140744342012
936524152671
1013011895306
11557796a593
1226317a800a
1312c49a8147
148b61844d4
155125015c1
hex30791c40a

13011895306 has 8 divisors (see below), whose sum is σ = 19660309380. Its totient is φ = 6458458848.

The previous prime is 13011895289. The next prime is 13011895321. The reversal of 13011895306 is 60359811031.

It can be written as a sum of positive squares in 2 ways, for example, as 12362104225 + 649791081 = 111185^2 + 25491^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23744061 + ... + 23744608.

Almost surely, 213011895306 is an apocalyptic number.

13011895306 is a deficient number, since it is larger than the sum of its proper divisors (6648414074).

13011895306 is a wasteful number, since it uses less digits than its factorization.

13011895306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47488808.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 13011895306 in words is "thirteen billion, eleven million, eight hundred ninety-five thousand, three hundred six".

Divisors: 1 2 137 274 47488669 94977338 6505947653 13011895306