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166238763119 = 11138936735591
BaseRepresentation
bin1001101011010010011…
…0100011100001101111
3120220002110120011002122
42122310212203201233
510210424110404434
6204211413343155
715003360112652
oct2326446434157
9526073504078
10166238763119
11645574a2240
1228275037abb
13128a3942530
148090315899
1544ce539c2e
hex26b49a386f

166238763119 has 32 divisors (see below), whose sum is σ = 198039582720. Its totient is φ = 137553926400.

The previous prime is 166238763113. The next prime is 166238763143. The reversal of 166238763119 is 911367832661.

It is not a de Polignac number, because 166238763119 - 224 = 166221985903 is a prime.

It is a super-2 number, since 2×1662387631192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166238763113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4653014 + ... + 4688604.

It is an arithmetic number, because the mean of its divisors is an integer number (6188736960).

Almost surely, 2166238763119 is an apocalyptic number.

166238763119 is a deficient number, since it is larger than the sum of its proper divisors (31800819601).

166238763119 is a wasteful number, since it uses less digits than its factorization.

166238763119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36071.

The product of its digits is 1959552, while the sum is 53.

The spelling of 166238763119 in words is "one hundred sixty-six billion, two hundred thirty-eight million, seven hundred sixty-three thousand, one hundred nineteen".

Divisors: 1 11 13 89 143 367 979 1157 4037 4771 12727 32663 35591 52481 359293 391501 424619 462683 3167599 4670809 5089513 13061897 34843589 41178787 143680867 169804661 452966657 1162508833 1867851271 12787597163 15112614829 166238763119