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30243153451 = 737991113723
BaseRepresentation
bin11100001010101000…
…011110011000101011
32220001200211101012111
4130022220132120223
5443414221402301
621520555423151
72120311364020
oct341250363053
986050741174
1030243153451
111190a5208a5
125a40454ab7
132b0c87b394
14166c861547
15bc0159551
hex70aa1e62b

30243153451 has 8 divisors (see below), whose sum is σ = 34564817664. Its totient is φ = 25921792680.

The previous prime is 30243153389. The next prime is 30243153487. The reversal of 30243153451 is 15435134203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30243153451 - 213 = 30243145259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30243151451) 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 7 ways as a sum of consecutive naturals, for example, 209076 + ... + 322798.

It is an arithmetic number, because the mean of its divisors is an integer number (4320602208).

Almost surely, 230243153451 is an apocalyptic number.

30243153451 is a deficient number, since it is larger than the sum of its proper divisors (4321664213).

30243153451 is a wasteful number, since it uses less digits than its factorization.

30243153451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151721.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 30243153451 its reverse (15435134203), we get a palindrome (45678287654).

The spelling of 30243153451 in words is "thirty billion, two hundred forty-three million, one hundred fifty-three thousand, four hundred fifty-one".

Divisors: 1 7 37991 113723 265937 796061 4320450493 30243153451