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168041447288 = 231113314738367
BaseRepresentation
bin1001110010000000001…
…1001111111101111000
3121001202002121222212222
42130200003033331320
510223122102303123
6205110331223212
715066136506641
oct2344003177570
9531662558788
10168041447288
11652a201a570
12286988a7b08
1312b00262260
1481c18ca6c8
1545879236c8
hex27200cff78

168041447288 has 64 divisors (see below), whose sum is σ = 382101995520. Its totient is φ = 68232470400.

The previous prime is 168041447279. The next prime is 168041447291. The reversal of 168041447288 is 882744140861.

It is a happy number.

168041447288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2333720 + ... + 2404647.

It is an arithmetic number, because the mean of its divisors is an integer number (5970343680).

Almost surely, 2168041447288 is an apocalyptic number.

It is an amenable number.

168041447288 is an abundant number, since it is smaller than the sum of its proper divisors (214060548232).

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

168041447288 is a wasteful number, since it uses less digits than its factorization.

168041447288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738428 (or 4738424 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 53.

The spelling of 168041447288 in words is "one hundred sixty-eight billion, forty-one million, four hundred forty-seven thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 11 13 22 26 31 44 52 62 88 104 124 143 248 286 341 403 572 682 806 1144 1364 1612 2728 3224 4433 8866 17732 35464 4738367 9476734 18953468 37906936 52122037 61598771 104244074 123197542 146889377 208488148 246395084 293778754 416976296 492790168 587557508 677586481 1175115016 1355172962 1615783147 1909561901 2710345924 3231566294 3819123802 5420691848 6463132588 7638247604 12926265176 15276495208 21005180911 42010361822 84020723644 168041447288