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30909221735 = 575031755707
BaseRepresentation
bin11100110010010101…
…010100101101100111
32221210010011011010012
4130302111110231213
51001300230043420
622111031520435
72142650023040
oct346225245547
987703134105
1030909221735
11121214a4857
125ba752911b
132bb786a022
1416d30c58c7
15c0d877dc5
hex732554b67

30909221735 has 16 divisors (see below), whose sum is σ = 42474087936. Its totient is φ = 21152745888.

The previous prime is 30909221731. The next prime is 30909221743. The reversal of 30909221735 is 53712290903.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30909221735 - 22 = 30909221731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30909221692 and 30909221701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30909221731) 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 15 ways as a sum of consecutive naturals, for example, 860249 + ... + 895458.

It is an arithmetic number, because the mean of its divisors is an integer number (2654630496).

Almost surely, 230909221735 is an apocalyptic number.

30909221735 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30909221735 is a deficient number, since it is larger than the sum of its proper divisors (11564866201).

30909221735 is a wasteful number, since it uses less digits than its factorization.

30909221735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756222.

The product of its (nonzero) digits is 102060, while the sum is 41.

The spelling of 30909221735 in words is "thirty billion, nine hundred nine million, two hundred twenty-one thousand, seven hundred thirty-five".

Divisors: 1 5 7 35 503 2515 3521 17605 1755707 8778535 12289949 61449745 883120621 4415603105 6181844347 30909221735