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30300120091820 = 2251806183882731
BaseRepresentation
bin1101110001110110010111…
…11001010000110010101100
310222021122220110121002020102
412320323023321100302230
512432414121220414240
6144235403310210232
76245053136154515
oct670731371206254
9128248813532212
1030300120091820
119722232962097
123494448ab3978
1313ba39b0c77b7
1476a76842da0c
15378297caa815
hex1b8ecbe50cac

30300120091820 has 24 divisors (see below), whose sum is σ = 63633776026128. Its totient is φ = 12119376830400.

The previous prime is 30300120091811. The next prime is 30300120091831. The reversal of 30300120091820 is 2819002100303.

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, 41580146 + ... + 42302585.

It is an arithmetic number, because the mean of its divisors is an integer number (2651407334422).

Almost surely, 230300120091820 is an apocalyptic number.

It is an amenable number.

30300120091820 is an abundant number, since it is smaller than the sum of its proper divisors (33333655934308).

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

30300120091820 is a wasteful number, since it uses less digits than its factorization.

30300120091820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83900801 (or 83900799 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 30300120091820 in words is "thirty trillion, three hundred billion, one hundred twenty million, ninety-one thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 18061 36122 72244 90305 180610 361220 83882731 167765462 335530924 419413655 838827310 1677654620 1515006004591 3030012009182 6060024018364 7575030022955 15150060045910 30300120091820