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512044123145 = 5208217491837
BaseRepresentation
bin1110111001110000011…
…01010100010000001001
31210221200020100120011112
413130320031110100021
531342131243420040
61031121350340105
751664634143112
oct7347015242011
91727606316145
10512044123145
1118817a616485
12832a265a635
1339393490a69
141aad6a49209
15d4bd1bc365
hex7738354409

512044123145 has 8 divisors (see below), whose sum is σ = 614457148104. Its totient is φ = 409632498304.

The previous prime is 512044123127. The next prime is 512044123147. The reversal of 512044123145 is 541321440215.

It can be written as a sum of positive squares in 4 ways, for example, as 147556625161 + 364487497984 = 384131^2 + 603728^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 512044123145 - 26 = 512044123081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512044123147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795167 + ... + 1287003.

It is an arithmetic number, because the mean of its divisors is an integer number (76807143513).

Almost surely, 2512044123145 is an apocalyptic number.

It is an amenable number.

512044123145 is a deficient number, since it is larger than the sum of its proper divisors (102413024959).

512044123145 is a wasteful number, since it uses less digits than its factorization.

512044123145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700059.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 512044123145 in words is "five hundred twelve billion, forty-four million, one hundred twenty-three thousand, one hundred forty-five".

Divisors: 1 5 208217 491837 1041085 2459185 102408824629 512044123145