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149394550293 = 32294261134333
BaseRepresentation
bin1000101100100010011…
…0111110111000010101
3112021121120012111000100
42023020212332320111
54421430001102133
6152344135404313
713536064503522
oct2131046767025
9467546174010
10149394550293
11583a336889a
1224b53b23699
131111acc61b1
1473331ca149
153d45886e13
hex22c89bee15

149394550293 has 24 divisors (see below), whose sum is σ = 223287288120. Its totient is φ = 96138725760.

The previous prime is 149394550237. The next prime is 149394550307. The reversal of 149394550293 is 392055493941.

149394550293 is a `hidden beast` number, since 1 + 4 + 9 + 3 + 9 + 45 + 502 + 93 = 666.

149394550293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 72464871249 + 76929679044 = 269193^2 + 277362^2 .

It is not a de Polignac number, because 149394550293 - 226 = 149327441429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149394557293) 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, 1044955 + ... + 1179287.

It is an arithmetic number, because the mean of its divisors is an integer number (9303637005).

Almost surely, 2149394550293 is an apocalyptic number.

It is an amenable number.

149394550293 is a deficient number, since it is larger than the sum of its proper divisors (73892737827).

149394550293 is a wasteful number, since it uses less digits than its factorization.

149394550293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138629 (or 138626 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 149394550293 in words is "one hundred forty-nine billion, three hundred ninety-four million, five hundred fifty thousand, two hundred ninety-three".

Divisors: 1 3 9 29 87 261 4261 12783 38349 123569 134333 370707 402999 1112121 1208997 3895657 11686971 35060913 572392913 1717178739 5151536217 16599394477 49798183431 149394550293