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468522453169 = 292236032
BaseRepresentation
bin1101101000101100001…
…11010100100010110001
31122210100010122122122201
412310112013110202301
530134013222000134
6555123010103201
745564265066651
oct6642607244261
91583303578581
10468522453169
1117077678a691
127697727ab01
1335248925614
141896887c361
15c2c2447914
hex6d161d48b1

468522453169 has 9 divisors (see below), whose sum is σ = 485256060523. Its totient is φ = 452347340872.

The previous prime is 468522453163. The next prime is 468522453199. The reversal of 468522453169 is 961354225864.

The square root of 468522453169 is 684487.

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

It can be written as a sum of positive squares in only one way, i.e., 245681809569 + 222840643600 = 495663^2 + 472060^2 .

It is not a de Polignac number, because 468522453169 - 25 = 468522453137 is a prime.

It is a super-2 number, since 2×4685224531692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (468522453163) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19838322 + ... + 19861924.

Almost surely, 2468522453169 is an apocalyptic number.

468522453169 is the 684487-th square number.

468522453169 is the 342244-th centered octagonal number.

It is an amenable number.

468522453169 is a deficient number, since it is larger than the sum of its proper divisors (16733607354).

468522453169 is an frugal number, since it uses more digits than its factorization.

468522453169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47264 (or 23632 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 55.

The spelling of 468522453169 in words is "four hundred sixty-eight billion, five hundred twenty-two million, four hundred fifty-three thousand, one hundred sixty-nine".

Divisors: 1 29 841 23603 684487 19850123 557101609 16155946661 468522453169