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20010088755870 = 23528116661142469
BaseRepresentation
bin1001000110010111101100…
…01110110111001010011110
32121211221112111020101221120
410203023312032313022132
510110321130210141440
6110320301411111410
74133452440025203
oct443136616671236
977757474211846
1020010088755870
11641525a493704
1222b210a2a2566
13b21c354a8a75
144d26ca0c5caa
1524a795926dd0
hex1232f63b729e

20010088755870 has 64 divisors (see below), whose sum is σ = 48198348682560. Its totient is φ = 5316677811200.

The previous prime is 20010088755869. The next prime is 20010088755967. The reversal of 20010088755870 is 7855788001002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140380996 + ... + 140523464.

It is an arithmetic number, because the mean of its divisors is an integer number (753099198165).

Almost surely, 220010088755870 is an apocalyptic number.

20010088755870 is an abundant number, since it is smaller than the sum of its proper divisors (28188259926690).

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

20010088755870 is a wasteful number, since it uses less digits than its factorization.

20010088755870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159421.

The product of its (nonzero) digits is 1254400, while the sum is 51.

The spelling of 20010088755870 in words is "twenty trillion, ten billion, eighty-eight million, seven hundred fifty-five thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 281 562 843 1405 1686 2810 4215 8430 16661 33322 49983 83305 99966 142469 166610 249915 284938 427407 499830 712345 854814 1424690 2137035 4274070 4681741 9363482 14045223 23408705 28090446 40033789 46817410 70226115 80067578 120101367 140452230 200168945 240202734 400337890 600506835 1201013670 2373676009 4747352018 7121028027 11868380045 14242056054 23736760090 35605140135 71210280270 667002958529 1334005917058 2001008875587 3335014792645 4002017751174 6670029585290 10005044377935 20010088755870