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133030520442 = 23271104092739
BaseRepresentation
bin111101111100100111…
…1001010011001111010
3110201101010101122010200
41323321033022121322
54134421303123232
6141040253423030
712416422523631
oct1737117123172
9421333348120
10133030520442
1151466295a86
122194779aa76
13c7109b3bb1
14661db78518
1536d8e3577c
hex1ef93ca67a

133030520442 has 24 divisors (see below), whose sum is σ = 292292413920. Its totient is φ = 43718949960.

The previous prime is 133030520423. The next prime is 133030520443. The reversal of 133030520442 is 244025030331.

133030520442 is a `hidden beast` number, since 1 + 330 + 305 + 20 + 4 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (133030520443) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 52045092 + ... + 52047647.

It is an arithmetic number, because the mean of its divisors is an integer number (12178850580).

Almost surely, 2133030520442 is an apocalyptic number.

133030520442 is an abundant number, since it is smaller than the sum of its proper divisors (159261893478).

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

133030520442 is a wasteful number, since it uses less digits than its factorization.

133030520442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104092818 (or 104092815 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 133030520442 its reverse (244025030331), we get a palindrome (377055550773).

The spelling of 133030520442 in words is "one hundred thirty-three billion, thirty million, five hundred twenty thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 71 142 213 426 639 1278 104092739 208185478 312278217 624556434 936834651 1873669302 7390584469 14781168938 22171753407 44343506814 66515260221 133030520442