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455964085649 = 19223103563947
BaseRepresentation
bin1101010001010011001…
…00111100110110010001
31121120220220212111001202
412220221210330312101
524432303301220044
6545244512440545
744641133531402
oct6505144746621
91546826774052
10455964085649
11166411926256
1274451549155
1333cc6bb0b17
14180d6a339a9
15bcd9b7ec4e
hex6a2993cd91

455964085649 has 48 divisors (see below), whose sum is σ = 508460239872. Its totient is φ = 408015264096.

The previous prime is 455964085639. The next prime is 455964085667. The reversal of 455964085649 is 946580469554.

It is a de Polignac number, because none of the positive numbers 2k-455964085649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455964085609) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 481482194 + ... + 481483140.

It is an arithmetic number, because the mean of its divisors is an integer number (10592921664).

Almost surely, 2455964085649 is an apocalyptic number.

It is an amenable number.

455964085649 is a deficient number, since it is larger than the sum of its proper divisors (52496154223).

455964085649 is a wasteful number, since it uses less digits than its factorization.

455964085649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 186624000, while the sum is 65.

The spelling of 455964085649 in words is "four hundred fifty-five billion, nine hundred sixty-four million, eighty-five thousand, six hundred forty-nine".

Divisors: 1 19 23 103 361 437 563 947 1957 2369 8303 10697 12949 17993 21781 37183 45011 57989 97541 203243 246031 341867 413839 533161 855209 1101791 1333747 1853279 2243443 4674589 7862941 10130059 12262703 20934029 25341193 35212301 42625417 54915583 192471121 232991357 481482667 809882923 1043396077 1263058409 4426835783 19824525463 23998109771 455964085649