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30321400430 = 2517178361179
BaseRepresentation
bin11100001111010010…
…111101101001101110
32220021011001201212202
4130033102331221232
5444044234303210
621532432501502
72122251436226
oct341722755156
986234051782
1030321400430
111194a704a22
125a626aa892
132b22b46879
141678dcd086
15bc6e639a5
hex70f4bda6e

30321400430 has 16 divisors (see below), whose sum is σ = 57789022320. Its totient is φ = 11415115392.

The previous prime is 30321400427. The next prime is 30321400469. The reversal of 30321400430 is 3400412303.

It is a super-3 number, since 3×303214004303 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89180420 + ... + 89180759.

It is an arithmetic number, because the mean of its divisors is an integer number (3611813895).

Almost surely, 230321400430 is an apocalyptic number.

30321400430 is a deficient number, since it is larger than the sum of its proper divisors (27467621890).

30321400430 is a wasteful number, since it uses less digits than its factorization.

30321400430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178361203.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30321400430 its reverse (3400412303), we get a palindrome (33721812733).

The spelling of 30321400430 in words is "thirty billion, three hundred twenty-one million, four hundred thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 178361179 356722358 891805895 1783611790 3032140043 6064280086 15160700215 30321400430