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117212810206 = 21917331779889
BaseRepresentation
bin110110100101001101…
…1011000101111011110
3102012112202120200212211
41231022123120233132
53410022434411311
6125502525151034
711316433306432
oct1551233305736
9365482520784
10117212810206
1145789637188
121a8723bb47a
13b08c923b3b
14595d0d89c2
1530b044b821
hex1b4a6d8bde

117212810206 has 16 divisors (see below), whose sum is σ = 185179755600. Its totient is φ = 55489788288.

The previous prime is 117212810177. The next prime is 117212810269. The reversal of 117212810206 is 602018212711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824091 + ... + 955798.

It is an arithmetic number, because the mean of its divisors is an integer number (11573734725).

Almost surely, 2117212810206 is an apocalyptic number.

117212810206 is a deficient number, since it is larger than the sum of its proper divisors (67966945394).

117212810206 is a wasteful number, since it uses less digits than its factorization.

117212810206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781643.

The product of its (nonzero) digits is 2688, while the sum is 31.

The spelling of 117212810206 in words is "one hundred seventeen billion, two hundred twelve million, eight hundred ten thousand, two hundred six".

Divisors: 1 2 19 38 1733 3466 32927 65854 1779889 3559778 33817891 67635782 3084547637 6169095274 58606405103 117212810206