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12954545442 = 23214946710343
BaseRepresentation
bin11000001000010011…
…01010110100100010
31020102211021002112100
430010021222310202
5203012330423232
65541244511230
7636011551026
oct140411526442
936384232470
1012954545442
115548559803
12261654b516
1312b5b48507
148ac6d6386
1550c473c7c
hex30426ad22

12954545442 has 48 divisors (see below), whose sum is σ = 28319803200. Its totient is φ = 4279602336.

The previous prime is 12954545423. The next prime is 12954545447. The reversal of 12954545442 is 24454545921.

12954545442 is a `hidden beast` number, since 1 + 2 + 9 + 54 + 54 + 544 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (12954545447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1247323 + ... + 1257665.

It is an arithmetic number, because the mean of its divisors is an integer number (589995900).

Almost surely, 212954545442 is an apocalyptic number.

12954545442 is an abundant number, since it is smaller than the sum of its proper divisors (15365257758).

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

12954545442 is a wasteful number, since it uses less digits than its factorization.

12954545442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10967 (or 10964 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The spelling of 12954545442 in words is "twelve billion, nine hundred fifty-four million, five hundred forty-five thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 149 298 447 467 894 934 1341 1401 2682 2802 4203 8406 10343 20686 31029 62058 69583 93087 139166 186174 208749 417498 626247 1252494 1541107 3082214 4623321 4830181 9246642 9660362 13869963 14490543 27739926 28981086 43471629 86943258 719696969 1439393938 2159090907 4318181814 6477272721 12954545442