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31325061204064 = 25978908162627
BaseRepresentation
bin1110001111101011011110…
…01001010100100001100000
311002220122110101010021201101
413013311233021110201200
513101212211132012224
6150342311235244144
76412106134652515
oct707655711244140
9132818411107641
1031325061204064
119a8797a452841
12361b00b749654
131462c2c64bc04
147a41d909130c
15394c83e61044
hex1c7d6f254860

31325061204064 has 12 divisors (see below), whose sum is σ = 61671214245564. Its totient is φ = 15662530602016.

The previous prime is 31325061204061. The next prime is 31325061204077. The reversal of 31325061204064 is 46040216052313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31325061204061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489454081282 + ... + 489454081345.

It is an arithmetic number, because the mean of its divisors is an integer number (5139267853797).

Almost surely, 231325061204064 is an apocalyptic number.

It is an amenable number.

31325061204064 is a deficient number, since it is larger than the sum of its proper divisors (30346153041500).

31325061204064 is an equidigital number, since it uses as much as digits as its factorization.

31325061204064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978908162637 (or 978908162629 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 31325061204064 its reverse (46040216052313), we get a palindrome (77365277256377).

The spelling of 31325061204064 in words is "thirty-one trillion, three hundred twenty-five billion, sixty-one million, two hundred four thousand, sixty-four".

Divisors: 1 2 4 8 16 32 978908162627 1957816325254 3915632650508 7831265301016 15662530602032 31325061204064