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2430221012 = 221075356501
BaseRepresentation
bin1001000011011010…
…0011101011010100
320021100220000111122
42100312203223110
514434114033022
61041052023112
7114136352312
oct22066435324
96240800448
102430221012
11103788401a
12579a61a98
132c963a3cb
14190a890b2
15e3545742
hex90da3ad4

2430221012 has 12 divisors (see below), whose sum is σ = 4253357556. Its totient is φ = 1214976000.

The previous prime is 2430220979. The next prime is 2430221021. The reversal of 2430221012 is 2101220342.

It can be written as a sum of positive squares in 2 ways, for example, as 1434439876 + 995781136 = 37874^2 + 31556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14762 + ... + 71262.

It is an arithmetic number, because the mean of its divisors is an integer number (354446463).

Almost surely, 22430221012 is an apocalyptic number.

It is an amenable number.

2430221012 is a deficient number, since it is larger than the sum of its proper divisors (1823136544).

2430221012 is a wasteful number, since it uses less digits than its factorization.

2430221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67258 (or 67256 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2430221012 is about 49297.2718514930. The cubic root of 2430221012 is about 1344.4621817532.

Adding to 2430221012 its reverse (2101220342), we get a palindrome (4531441354).

The spelling of 2430221012 in words is "two billion, four hundred thirty million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 4 10753 21506 43012 56501 113002 226004 607555253 1215110506 2430221012