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30245543412 = 22372151340649
BaseRepresentation
bin11100001010110001…
…100101110111110100
32220001212022210121120
4130022301211313310
5443420324342122
621521122543540
72120340606600
oct341261456764
986055283546
1030245543412
1111910903477
125a41207bb0
132b10207166
14166ccc4500
15bc047c75c
hex70ac65df4

30245543412 has 72 divisors (see below), whose sum is σ = 82638964800. Its totient is φ = 8584329600.

The previous prime is 30245543381. The next prime is 30245543413. The reversal of 30245543412 is 21434554203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30245543413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81537 + ... + 259112.

It is an arithmetic number, because the mean of its divisors is an integer number (1147763400).

Almost surely, 230245543412 is an apocalyptic number.

It is an amenable number.

30245543412 is an abundant number, since it is smaller than the sum of its proper divisors (52393421388).

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

30245543412 is a wasteful number, since it uses less digits than its factorization.

30245543412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340821 (or 340812 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 30245543412 in words is "thirty billion, two hundred forty-five million, five hundred forty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 151 196 294 302 453 588 604 906 1057 1812 2114 3171 4228 6342 7399 12684 14798 22197 29596 44394 88788 340649 681298 1021947 1362596 2043894 2384543 4087788 4769086 7153629 9538172 14307258 16691801 28614516 33383602 50075403 51437999 66767204 100150806 102875998 154313997 200301612 205751996 308627994 360065993 617255988 720131986 1080197979 1440263972 2160395958 2520461951 4320791916 5040923902 7561385853 10081847804 15122771706 30245543412