Search a number
-
+
26887472676 = 2232273292
BaseRepresentation
bin11001000010100111…
…100100011000100100
32120101211112010120100
4121002213210120210
5420031143111201
620204003504100
71641203514111
oct310247443044
976354463510
1026887472676
11104483061a9
125264688030
1326c65a205c
141430d0d908
15a75758886
hex6429e4624

26887472676 has 27 divisors (see below), whose sum is σ = 67968042961. Its totient is φ = 8962162944.

The previous prime is 26887472671. The next prime is 26887472707. The reversal of 26887472676 is 67627478862.

The square root of 26887472676 is 163974.

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

26887472676 is a `hidden beast` number, since 26 + 8 + 87 + 472 + 67 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12830999076 + 14056473600 = 113274^2 + 118560^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26887472671) 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, 970180 + ... + 997508.

Almost surely, 226887472676 is an apocalyptic number.

26887472676 is the 163974-th square number.

It is an amenable number.

26887472676 is an abundant number, since it is smaller than the sum of its proper divisors (41080570285).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26887472676 is an frugal number, since it uses more digits than its factorization.

26887472676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54668 (or 27334 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 63.

The spelling of 26887472676 in words is "twenty-six billion, eight hundred eighty-seven million, four hundred seventy-two thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 27329 54658 81987 109316 163974 245961 327948 491922 983844 746874241 1493748482 2240622723 2987496964 4481245446 6721868169 8962490892 13443736338 26887472676