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149171148412 = 2211131715340513
BaseRepresentation
bin1000101011101101001…
…0110001011001111100
3112021000222211111020121
42022323102301121330
54421000303222122
6152310035224324
713530412561216
oct2127322613174
9467028744217
10149171148412
1158299251740
1224ab11480a4
13110b3937230
1473116755b6
153d30e58bc7
hex22bb4b167c

149171148412 has 48 divisors (see below), whose sum is σ = 324728000352. Its totient is φ = 58907566080.

The previous prime is 149171148367. The next prime is 149171148433. The reversal of 149171148412 is 214841171941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7660533 + ... + 7679980.

It is an arithmetic number, because the mean of its divisors is an integer number (6765166674).

Almost surely, 2149171148412 is an apocalyptic number.

It is an amenable number.

149171148412 is an abundant number, since it is smaller than the sum of its proper divisors (175556851940).

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

149171148412 is a wasteful number, since it uses less digits than its factorization.

149171148412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15340558 (or 15340556 counting only the distinct ones).

The product of its digits is 64512, while the sum is 43.

The spelling of 149171148412 in words is "one hundred forty-nine billion, one hundred seventy-one million, one hundred forty-eight thousand, four hundred twelve".

Divisors: 1 2 4 11 13 17 22 26 34 44 52 68 143 187 221 286 374 442 572 748 884 2431 4862 9724 15340513 30681026 61362052 168745643 199426669 260788721 337491286 398853338 521577442 674982572 797706676 1043154884 2193693359 2868675931 3390253373 4387386718 5737351862 6780506746 8774773436 11474703724 13561013492 37292787103 74585574206 149171148412