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32420650068 = 2232900573613
BaseRepresentation
bin11110001100011010…
…111101110001010100
310002200110011200000100
4132030122331301110
51012344141300233
622521023014100
72225261656452
oct361432756124
9102613150010
1032420650068
1112827680284
12634973a330
133098a31011
1417d7b219d2
15c9b3cd813
hex78c6bdc54

32420650068 has 18 divisors (see below), whose sum is σ = 81952198874. Its totient is φ = 10806883344.

The previous prime is 32420650061. The next prime is 32420650081. The reversal of 32420650068 is 86005602423.

It can be written as a sum of positive squares in only one way, i.e., 28868728464 + 3551921604 = 169908^2 + 59598^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 900573613 = 32420650068 / (3 + 2 + 4 + 2 + 0 + 6 + 5 + 0 + 0 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32420650061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 450286771 + ... + 450286842.

Almost surely, 232420650068 is an apocalyptic number.

It is an amenable number.

32420650068 is an abundant number, since it is smaller than the sum of its proper divisors (49531548806).

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

32420650068 is a wasteful number, since it uses less digits than its factorization.

32420650068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900573623 (or 900573618 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 32420650068 in words is "thirty-two billion, four hundred twenty million, six hundred fifty thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 900573613 1801147226 2701720839 3602294452 5403441678 8105162517 10806883356 16210325034 32420650068