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30420202403 = 4789113139463
BaseRepresentation
bin11100010101001011…
…110111001110100011
32220112000222101201002
4130111023313032203
5444300032434103
621550322302215
72124561311513
oct342513671643
986460871632
1030420202403
11119a0458348
125a8b7b796b
132b3a45ac86
14168818b843
15bd097d488
hex7152f73a3

30420202403 has 32 divisors (see below), whose sum is σ = 31991500800. Its totient is φ = 28905440256.

The previous prime is 30420202367. The next prime is 30420202481.

30420202403 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 30420202403 - 212 = 30420198307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30420202493) 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, 65702150 + ... + 65702612.

It is an arithmetic number, because the mean of its divisors is an integer number (999734400).

Almost surely, 230420202403 is an apocalyptic number.

30420202403 is a deficient number, since it is larger than the sum of its proper divisors (1571298397).

30420202403 is a wasteful number, since it uses less digits than its factorization.

30420202403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851.

The product of its (nonzero) digits is 1152, while the sum is 20.

The spelling of 30420202403 in words is "thirty billion, four hundred twenty million, two hundred two thousand, four hundred three".

Divisors: 1 47 89 113 139 463 4183 5311 6533 10057 12371 15707 21761 41207 52319 64357 472679 581437 738229 1397923 1936729 2458993 3024779 4656391 5727773 7272341 65702381 218850377 269205331 341800027 647238349 30420202403