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354002031220 = 22517700101561
BaseRepresentation
bin1010010011011000010…
…10100101001001110100
31020211202000021110010111
411021230022211021310
521244444004444340
6430343140032404
734401333421525
oct5115412451164
91224660243114
10354002031220
11127149a10672
1258736692704
13274c7a51736
14131c319484c
15931d57aaea
hex526c2a5274

354002031220 has 12 divisors (see below), whose sum is σ = 743404265604. Its totient is φ = 141600812480.

The previous prime is 354002031209. The next prime is 354002031221. The reversal of 354002031220 is 22130200453.

It can be written as a sum of positive squares in 2 ways, for example, as 173074304484 + 180927726736 = 416022^2 + 425356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 354002031191 and 354002031200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354002031221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8850050761 + ... + 8850050800.

It is an arithmetic number, because the mean of its divisors is an integer number (61950355467).

Almost surely, 2354002031220 is an apocalyptic number.

It is an amenable number.

354002031220 is an abundant number, since it is smaller than the sum of its proper divisors (389402234384).

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

354002031220 is a wasteful number, since it uses less digits than its factorization.

354002031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17700101570 (or 17700101568 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 354002031220 its reverse (22130200453), we get a palindrome (376132231673).

The spelling of 354002031220 in words is "three hundred fifty-four billion, two million, thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 17700101561 35400203122 70800406244 88500507805 177001015610 354002031220