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145871445886 = 22771753150203
BaseRepresentation
bin1000011111011010011…
…1011001111101111110
3111221112000212020022221
42013312213121331332
54342221042232021
6151002403155554
713352554555225
oct2076647317576
9457460766287
10145871445886
11569556a0361
1224330075bba
13109a912a42a
1470bb335cbc
153bdb414241
hex21f69d9f7e

145871445886 has 16 divisors (see below), whose sum is σ = 219723818544. Its totient is φ = 72630477504.

The previous prime is 145871445847. The next prime is 145871445959. The reversal of 145871445886 is 688544178541.

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, 896061 + ... + 1046263.

It is an arithmetic number, because the mean of its divisors is an integer number (13732738659).

Almost surely, 2145871445886 is an apocalyptic number.

145871445886 is a deficient number, since it is larger than the sum of its proper divisors (73852372658).

145871445886 is a wasteful number, since it uses less digits than its factorization.

145871445886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152235.

The product of its digits is 34406400, while the sum is 61.

The spelling of 145871445886 in words is "one hundred forty-five billion, eight hundred seventy-one million, four hundred forty-five thousand, eight hundred eighty-six".

Divisors: 1 2 277 554 1753 3506 150203 300406 485581 971162 41606231 83212462 263305859 526611718 72935722943 145871445886