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455005049990 = 25192982578049
BaseRepresentation
bin1101001111100000110…
…10100001010010000110
31121111110002021102110112
412213300122201102012
524423322243044430
6545005413153022
744605310053151
oct6476032412206
91544402242415
10455005049990
11165a6a5415a7
127422432b772
1333ba32b73ba
141804550ac98
15bc80891195
hex69f06a1486

455005049990 has 32 divisors (see below), whose sum is σ = 891842940000. Its totient is φ = 166477344768.

The previous prime is 455005049987. The next prime is 455005049999. The reversal of 455005049990 is 99940500554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455005049999) 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 15 ways as a sum of consecutive naturals, for example, 41283515 + ... + 41294534.

It is an arithmetic number, because the mean of its divisors is an integer number (27870091875).

Almost surely, 2455005049990 is an apocalyptic number.

455005049990 is a deficient number, since it is larger than the sum of its proper divisors (436837890010).

455005049990 is a wasteful number, since it uses less digits than its factorization.

455005049990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82578104.

The product of its (nonzero) digits is 1458000, while the sum is 50.

The spelling of 455005049990 in words is "four hundred fifty-five billion, five million, forty-nine thousand, nine hundred ninety".

Divisors: 1 2 5 10 19 29 38 58 95 145 190 290 551 1102 2755 5510 82578049 165156098 412890245 825780490 1568982931 2394763421 3137965862 4789526842 7844914655 11973817105 15689829310 23947634210 45500504999 91001009998 227502524995 455005049990