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149327758471 = 197859355709
BaseRepresentation
bin1000101100010010100…
…0001100010010000111
3112021102220112002212011
42023010220030102013
54421310401232341
6152333352035051
713534324001263
oct2130450142207
9467386462764
10149327758471
1158369699141
1224b35692a87
131110a20b9c8
1473283a10a3
153d3ea91b81
hex22c4a0c487

149327758471 has 4 divisors (see below), whose sum is σ = 157187114200. Its totient is φ = 141468402744.

The previous prime is 149327758457. The next prime is 149327758631. The reversal of 149327758471 is 174857723941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149327758471 - 27 = 149327758343 is a prime.

It is a super-3 number, since 3×1493277584713 (a number of 34 digits) contains 333 as substring.

It is the 386430-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149327758441) by changing a digit.

It is a nontrivial repunit in base 386429.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3929677836 + ... + 3929677873.

It is an arithmetic number, because the mean of its divisors is an integer number (39296778550).

Almost surely, 2149327758471 is an apocalyptic number.

149327758471 is a deficient number, since it is larger than the sum of its proper divisors (7859355729).

149327758471 is an equidigital number, since it uses as much as digits as its factorization.

149327758471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7859355728.

The product of its digits is 11854080, while the sum is 58.

The spelling of 149327758471 in words is "one hundred forty-nine billion, three hundred twenty-seven million, seven hundred fifty-eight thousand, four hundred seventy-one".

Divisors: 1 19 7859355709 149327758471