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923315428837 = 31310332855653
BaseRepresentation
bin11010110111110011110…
…00110101110111100101
310021021020102212120211201
431123321320311313211
5110111422222210322
61544055410002501
7123464421436504
oct15337170656745
93237212776751
10923315428837
1132663754164a
1212ab40576431
13690b6cb8949
143298db4283b
151903e396d27
hexd6f9e35de5

923315428837 has 8 divisors (see below), whose sum is σ = 927162318104. Its totient is φ = 919474253568.

The previous prime is 923315428751. The next prime is 923315428873. The reversal of 923315428837 is 738824513329.

It can be written as a sum of positive squares in 4 ways, for example, as 23765613921 + 899549814916 = 154161^2 + 948446^2 .

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 923315428837 - 219 = 923314904549 is a prime.

It is a super-2 number, since 2×9233154288372 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923315426837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104498 + ... + 1751155.

It is an arithmetic number, because the mean of its divisors is an integer number (115895289763).

Almost surely, 2923315428837 is an apocalyptic number.

It is an amenable number.

923315428837 is a deficient number, since it is larger than the sum of its proper divisors (3846889267).

923315428837 is a wasteful number, since it uses less digits than its factorization.

923315428837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856999.

The product of its digits is 8709120, while the sum is 55.

The spelling of 923315428837 in words is "nine hundred twenty-three billion, three hundred fifteen million, four hundred twenty-eight thousand, eight hundred thirty-seven".

Divisors: 1 313 1033 323329 2855653 893819389 2949889549 923315428837