Search a number
-
+
72230400001 = 374439374703
BaseRepresentation
bin100001101000101000…
…1000111000000000001
320220102212020111111001
41003101101013000001
52140411440300001
653103204052001
75134636161364
oct1032121070001
9226385214431
1072230400001
11286a61a5661
1211bb9994001
136a71561076
1436d2d280db
151d2b335001
hex10d1447001

72230400001 has 16 divisors (see below), whose sum is σ = 74445202944. Its totient is φ = 70029857664.

The previous prime is 72230399971. The next prime is 72230400029. The reversal of 72230400001 is 10000403227.

It is a cyclic number.

It is not a de Polignac number, because 72230400001 - 227 = 72096182273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72230400031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15356016 + ... + 15360718.

It is an arithmetic number, because the mean of its divisors is an integer number (4652825184).

Almost surely, 272230400001 is an apocalyptic number.

It is an amenable number.

72230400001 is a deficient number, since it is larger than the sum of its proper divisors (2214802943).

72230400001 is a wasteful number, since it uses less digits than its factorization.

72230400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6120.

The product of its (nonzero) digits is 336, while the sum is 19.

Adding to 72230400001 its reverse (10000403227), we get a palindrome (82230803228).

The spelling of 72230400001 in words is "seventy-two billion, two hundred thirty million, four hundred thousand, one".

Divisors: 1 37 443 937 4703 16391 34669 174011 415091 2083429 4406711 15358367 77086873 163048307 1952172973 72230400001