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30250578337 = 75381537947
BaseRepresentation
bin11100001011000100…
…110011000110100001
32220002012210121020021
4130023010303012201
5443423122001322
621521422513441
72120431446640
oct341304630641
986065717207
1030250578337
1111913732271
125a42a35881
132b1127aac5
14166d835357
15bc0b244c7
hex70b1331a1

30250578337 has 8 divisors (see below), whose sum is σ = 35224393536. Its totient is φ = 25439839152.

The previous prime is 30250578307. The next prime is 30250578359. The reversal of 30250578337 is 73387505203.

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

It is not a de Polignac number, because 30250578337 - 211 = 30250576289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30250578293 and 30250578302.

It is not an unprimeable number, because it can be changed into a prime (30250578307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40768603 + ... + 40769344.

It is an arithmetic number, because the mean of its divisors is an integer number (4403049192).

Almost surely, 230250578337 is an apocalyptic number.

It is an amenable number.

30250578337 is a deficient number, since it is larger than the sum of its proper divisors (4973815199).

30250578337 is an equidigital number, since it uses as much as digits as its factorization.

30250578337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81538007.

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 30250578337 in words is "thirty billion, two hundred fifty million, five hundred seventy-eight thousand, three hundred thirty-seven".

Divisors: 1 7 53 371 81537947 570765629 4321511191 30250578337