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14774457457 = 372101106853
BaseRepresentation
bin11011100001010000…
…00101010001110001
31102010122202012111001
431300220011101301
5220224230114312
610442015522001
71032060546664
oct156050052161
942118665431
1014774457457
1162a1883621
122a43b29301
131515bba926
14a022b36db
155b7112057
hex370a05471

14774457457 has 12 divisors (see below), whose sum is σ = 15335044956. Its totient is φ = 14232686400.

The previous prime is 14774457407. The next prime is 14774457463. The reversal of 14774457457 is 75475447741.

It can be written as a sum of positive squares in 6 ways, for example, as 3086469136 + 11687988321 = 55556^2 + 108111^2 .

It is not a de Polignac number, because 14774457457 - 231 = 12626973809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14774457398 and 14774457407.

It is not an unprimeable number, because it can be changed into a prime (14774457407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84843 + ... + 191695.

It is an arithmetic number, because the mean of its divisors is an integer number (1277920413).

Almost surely, 214774457457 is an apocalyptic number.

It is an amenable number.

14774457457 is a deficient number, since it is larger than the sum of its proper divisors (560587499).

14774457457 is a wasteful number, since it uses less digits than its factorization.

14774457457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107028 (or 106991 counting only the distinct ones).

The product of its digits is 15366400, while the sum is 55.

The spelling of 14774457457 in words is "fourteen billion, seven hundred seventy-four million, four hundred fifty-seven thousand, four hundred fifty-seven".

Divisors: 1 37 101 1369 3737 106853 138269 3953561 10792153 146281757 399309661 14774457457