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13475262889 = 1126121732
BaseRepresentation
bin11001000110011000…
…00011000110101001
31021210010002021120201
430203030003012221
5210044131403024
610105045352201
7654633562504
oct144314030651
937703067521
1013475262889
115795486500
122740a08661
1313699a544a
1491b92213b
1553d030744
hex3233031a9

13475262889 has 27 divisors (see below), whose sum is σ = 15145993317. Its totient is φ = 11979765600.

The previous prime is 13475262851. The next prime is 13475262893. The reversal of 13475262889 is 98826257431.

The square root of 13475262889 is 116083.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 206066025 + 13269196864 = 14355^2 + 115192^2 .

It is not a de Polignac number, because 13475262889 - 27 = 13475262761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13475262589) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 77891607 + ... + 77891779.

Almost surely, 213475262889 is an apocalyptic number.

13475262889 is the 116083-rd square number.

13475262889 is the 58042-nd centered octagonal number.

It is an amenable number.

13475262889 is a deficient number, since it is larger than the sum of its proper divisors (1670730428).

13475262889 is an frugal number, since it uses more digits than its factorization.

13475262889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 245 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The spelling of 13475262889 in words is "thirteen billion, four hundred seventy-five million, two hundred sixty-two thousand, eight hundred eighty-nine".

Divisors: 1 11 61 121 173 671 1903 3721 7381 10553 20933 29929 40931 116083 329219 450241 643733 1276913 1825669 3621409 7081063 20082359 77891693 111365809 220905949 1225023899 13475262889