Base | Representation |
---|---|
bin | 10000100101100011100001… |
… | …110000110110100010001001 |
3 | 100120021220102221020212000212 |
4 | 100211203201300312202021 |
5 | 34030201100113011040 |
6 | 415052313203010505 |
7 | 21236266626666320 |
oct | 2045434160664211 |
9 | 316256387225025 |
10 | 72949512235145 |
11 | 212757949598a7 |
12 | 8222130069a35 |
13 | 3192156706b20 |
14 | 1402abd33d0b7 |
15 | 8678b6b46d65 |
hex | 4258e1c36889 |
72949512235145 has 64 divisors (see below), whose sum is σ = 107973347328000. Its totient is φ = 46075070958336.
The previous prime is 72949512235111. The next prime is 72949512235189. The reversal of 72949512235145 is 54153221594927.
It is not a de Polignac number, because 72949512235145 - 28 = 72949512234889 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 473378216 + ... + 473532294.
It is an arithmetic number, because the mean of its divisors is an integer number (1687083552000).
Almost surely, 272949512235145 is an apocalyptic number.
It is an amenable number.
72949512235145 is a deficient number, since it is larger than the sum of its proper divisors (35023835092855).
72949512235145 is a wasteful number, since it uses less digits than its factorization.
72949512235145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156342.
The product of its digits is 27216000, while the sum is 59.
The spelling of 72949512235145 in words is "seventy-two trillion, nine hundred forty-nine billion, five hundred twelve million, two hundred thirty-five thousand, one hundred forty-five".
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