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289670987070 = 232526871197829
BaseRepresentation
bin1000011011100011011…
…11000111110100111110
31000200200200001210201200
410031301233013310332
514221221233041240
6341023434320330
726633213523123
oct4156157076476
91020620053650
10289670987070
111019377a1a83
12481822890a6
1321414c25a3a
141003d41674a
1578059b0930
hex4371bc7d3e

289670987070 has 48 divisors (see below), whose sum is σ = 753425487360. Its totient is φ = 77216784192.

The previous prime is 289670987051. The next prime is 289670987129. The reversal of 289670987070 is 70789076982.

It is a junction number, because it is equal to n+sod(n) for n = 289670986989 and 289670987007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 357085 + ... + 840744.

It is an arithmetic number, because the mean of its divisors is an integer number (15696364320).

Almost surely, 2289670987070 is an apocalyptic number.

289670987070 is an abundant number, since it is smaller than the sum of its proper divisors (463754500290).

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

289670987070 is a wasteful number, since it uses less digits than its factorization.

289670987070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200529 (or 1200526 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 63.

The spelling of 289670987070 in words is "two hundred eighty-nine billion, six hundred seventy million, nine hundred eighty-seven thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2687 5374 8061 13435 16122 24183 26870 40305 48366 80610 120915 241830 1197829 2395658 3593487 5989145 7186974 10780461 11978290 17967435 21560922 35934870 53902305 107804610 3218566523 6437133046 9655699569 16092832615 19311399138 28967098707 32185665230 48278497845 57934197414 96556995690 144835493535 289670987070