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13377235601 = 20101665501
BaseRepresentation
bin11000111010101100…
…00110101010010001
31021112021121222102102
430131112012222101
5204344033014401
610051224330145
7652333424612
oct143526065221
937467558372
1013377235601
115745112114
122714013955
1313525a2832
1490c8c5c09
1553461a56b
hex31d586a91

13377235601 has 4 divisors (see below), whose sum is σ = 13377921204. Its totient is φ = 13376550000.

The previous prime is 13377235567. The next prime is 13377235607. The reversal of 13377235601 is 10653277331.

It is a happy number.

It is a Cunningham number, because it is equal to 1156602+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10653277331 = 103103429877.

It can be written as a sum of positive squares in 2 ways, for example, as 4494361600 + 8882874001 = 67040^2 + 94249^2 .

It is a cyclic number.

It is not a de Polignac number, because 13377235601 - 230 = 12303493777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13377235607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312650 + ... + 352851.

It is an arithmetic number, because the mean of its divisors is an integer number (3344480301).

Almost surely, 213377235601 is an apocalyptic number.

It is an amenable number.

13377235601 is a deficient number, since it is larger than the sum of its proper divisors (685603).

13377235601 is an equidigital number, since it uses as much as digits as its factorization.

13377235601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685602.

The product of its (nonzero) digits is 79380, while the sum is 38.

The spelling of 13377235601 in words is "thirteen billion, three hundred seventy-seven million, two hundred thirty-five thousand, six hundred one".

Divisors: 1 20101 665501 13377235601