Base | Representation |
---|---|
bin | 100001000000101101010000… |
… | …100011000011101001110001 |
3 | 201001001110121201002020001020 |
4 | 201000231100203003221301 |
5 | 123012144100000431334 |
6 | 1232440400255130053 |
7 | 42403131051455535 |
oct | 4100552043035161 |
9 | 631043551066036 |
10 | 145184130873969 |
11 | 42295275a32710 |
12 | 143497a7813929 |
13 | 6301a601a1115 |
14 | 27bcd4132dbc5 |
15 | 11bb88bddde49 |
hex | 840b508c3a71 |
145184130873969 has 32 divisors (see below), whose sum is σ = 211449023299584. Its totient is φ = 87877012476480.
The previous prime is 145184130873967. The next prime is 145184130874033. The reversal of 145184130873969 is 969378031481541.
It is not a de Polignac number, because 145184130873969 - 21 = 145184130873967 is a prime.
It is a super-2 number, since 2×1451841308739692 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145184130873967) 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, 971037072 + ... + 971186574.
It is an arithmetic number, because the mean of its divisors is an integer number (6607781978112).
Almost surely, 2145184130873969 is an apocalyptic number.
It is an amenable number.
145184130873969 is a deficient number, since it is larger than the sum of its proper divisors (66264892425615).
145184130873969 is a wasteful number, since it uses less digits than its factorization.
145184130873969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187237.
The product of its (nonzero) digits is 156764160, while the sum is 69.
The spelling of 145184130873969 in words is "one hundred forty-five trillion, one hundred eighty-four billion, one hundred thirty million, eight hundred seventy-three thousand, nine hundred sixty-nine".
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