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30355885203 = 3753170915959
BaseRepresentation
bin11100010001010110…
…100000110010010011
32220100112221202002120
4130101112200302103
5444132101311303
621540103545323
72123150524020
oct342126406223
986315852076
1030355885203
1111968118936
125a7215b243
132b2a02bc67
14167d808547
15bc9ec6553
hex7115a0c93

30355885203 has 32 divisors (see below), whose sum is σ = 47159884800. Its totient is φ = 17007908736.

The previous prime is 30355885201. The next prime is 30355885223. The reversal of 30355885203 is 30258855303.

It is not a de Polignac number, because 30355885203 - 21 = 30355885201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30355885201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1894138 + ... + 1910096.

It is an arithmetic number, because the mean of its divisors is an integer number (1473746400).

Almost surely, 230355885203 is an apocalyptic number.

30355885203 is a deficient number, since it is larger than the sum of its proper divisors (16803999597).

30355885203 is a wasteful number, since it uses less digits than its factorization.

30355885203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17731.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 30355885203 in words is "thirty billion, three hundred fifty-five million, eight hundred eighty-five thousand, two hundred three".

Divisors: 1 3 7 21 53 159 371 1113 1709 5127 11963 15959 35889 47877 90577 111713 271731 335139 634039 845827 1902117 2537481 5920789 17762367 27273931 81821793 190917517 572752551 1445518343 4336555029 10118628401 30355885203