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149445756347 = 2921031172357
BaseRepresentation
bin1000101100101110101…
…0010100010110111011
3112021202010120000111212
42023023222110112323
54422031103200342
6152353205113335
713540255653356
oct2131352242673
9467663500455
10149445756347
115841a262748
1224b690b884b
13111287b4534
147339d1929d
153d4a0ee182
hex22cba945bb

149445756347 has 12 divisors (see below), whose sum is σ = 154927780176. Its totient is φ = 144151664160.

The previous prime is 149445756281. The next prime is 149445756349. The reversal of 149445756347 is 743657544941.

It is not a de Polignac number, because 149445756347 - 210 = 149445755323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149445756349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 780893 + ... + 953249.

It is an arithmetic number, because the mean of its divisors is an integer number (12910648348).

Almost surely, 2149445756347 is an apocalyptic number.

149445756347 is a deficient number, since it is larger than the sum of its proper divisors (5482023829).

149445756347 is a wasteful number, since it uses less digits than its factorization.

149445756347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173446 (or 173417 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 59.

The spelling of 149445756347 in words is "one hundred forty-nine billion, four hundred forty-five million, seven hundred fifty-six thousand, three hundred forty-seven".

Divisors: 1 29 841 1031 29899 172357 867071 4998353 144952237 177700067 5153301943 149445756347