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165930082108 = 22723233472
BaseRepresentation
bin1001101010001000110…
…1000001111100111100
3120212021221201112100121
42122202031001330330
510204311100111413
6204121025304324
714662621266220
oct2324215017474
9525257645317
10165930082108
116440922966a
12281a97950a4
13128549c534b
148061322780
1544b23b3b8d
hex26a2341f3c

165930082108 has 54 divisors (see below), whose sum is σ = 347019882776. Its totient is φ = 68000704464.

The previous prime is 165930082103. The next prime is 165930082163. The reversal of 165930082108 is 801280039561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165930082103) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49574091 + ... + 49577437.

Almost surely, 2165930082108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165930082108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173509941388).

165930082108 is an abundant number, since it is smaller than the sum of its proper divisors (181089800668).

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

165930082108 is an frugal number, since it uses more digits than its factorization.

165930082108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751 (or 3379 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 165930082108 in words is "one hundred sixty-five billion, nine hundred thirty million, eighty-two thousand, one hundred eight".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 529 644 1058 2116 3347 3703 6694 7406 13388 14812 23429 46858 76981 93716 153962 307924 538867 1077734 1770563 2155468 3541126 7082252 11202409 12393941 22404818 24787882 44809636 49575764 78416863 156833726 257655407 313667452 515310814 1030621628 1803587849 3607175698 5926074361 7214351396 11852148722 23704297444 41482520527 82965041054 165930082108