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30210321323020 = 2251510516066151
BaseRepresentation
bin1101101111001111000110…
…11110001001010000001100
310221222002010020100222102111
412313213203132021100030
512424431214224314040
6144130232515033404
76235423632214036
oct667474336112014
9127862106328374
1030210321323020
119698141894a83
12347ab6759b864
1313b1a89ba1047
1476628a154c56
15375c8e42cdea
hex1b79e378940c

30210321323020 has 12 divisors (see below), whose sum is σ = 63441674778384. Its totient is φ = 12084128529200.

The previous prime is 30210321322991. The next prime is 30210321323057. The reversal of 30210321323020 is 2032312301203.

It is a junction number, because it is equal to n+sod(n) for n = 30210321322982 and 30210321323000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755258033056 + ... + 755258033095.

It is an arithmetic number, because the mean of its divisors is an integer number (5286806231532).

Almost surely, 230210321323020 is an apocalyptic number.

It is an amenable number.

30210321323020 is an abundant number, since it is smaller than the sum of its proper divisors (33231353455364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30210321323020 is a wasteful number, since it uses less digits than its factorization.

30210321323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510516066160 (or 1510516066158 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30210321323020 its reverse (2032312301203), we get a palindrome (32242633624223).

The spelling of 30210321323020 in words is "thirty trillion, two hundred ten billion, three hundred twenty-one million, three hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 1510516066151 3021032132302 6042064264604 7552580330755 15105160661510 30210321323020