Search a number
-
+
32601552481 = 103217532
BaseRepresentation
bin11110010111001101…
…000011011001100001
310010011001120110110201
4132113031003121201
51013231444134411
622551004225201
72232616423651
oct362715033141
9103131513421
1032601552481
111290a7a9a03
12639a23b201
1330c735c874
141813b72361
15cac2143c1
hex797343661

32601552481 has 9 divisors (see below), whose sum is σ = 32939936019. Its totient is φ = 32266615536.

The previous prime is 32601552449. The next prime is 32601552493. The reversal of 32601552481 is 18425510623.

The square root of 32601552481 is 180559.

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., 923248225 + 31678304256 = 30385^2 + 177984^2 .

It is not a de Polignac number, because 32601552481 - 25 = 32601552449 is a prime.

It is a super-2 number, since 2×326015524812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32601552481.

It is not an unprimeable number, because it can be changed into a prime (32601552281) 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, 18596701 + ... + 18598453.

It is an arithmetic number, because the mean of its divisors is an integer number (3659992891).

Almost surely, 232601552481 is an apocalyptic number.

32601552481 is the 180559-th square number.

32601552481 is the 90280-th centered octagonal number.

It is an amenable number.

32601552481 is a deficient number, since it is larger than the sum of its proper divisors (338383538).

32601552481 is an frugal number, since it uses more digits than its factorization.

32601552481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712 (or 1856 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 32601552481 in words is "thirty-two billion, six hundred one million, five hundred fifty-two thousand, four hundred eighty-one".

Divisors: 1 103 1753 10609 180559 3073009 18597577 316519927 32601552481