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985414745221 = 19418914213191
BaseRepresentation
bin11100101011011110100…
…10111011110010000101
310111012112020200201021121
432111233102323302011
5112121112133321341
62032405425513541
7131123332063234
oct16255722736205
93435466621247
10985414745221
1134aa03a30125
1213ab914a28b1
1371c0265477a
14359a1344b1b
151a9760794d1
hexe56f4bbc85

985414745221 has 16 divisors (see below), whose sum is σ = 1074517315200. Its totient is φ = 900547718400.

The previous prime is 985414745197. The next prime is 985414745291. The reversal of 985414745221 is 122547414589.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 985414745221 - 29 = 985414744709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985414745291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7037265 + ... + 7175926.

It is an arithmetic number, because the mean of its divisors is an integer number (67157332200).

Almost surely, 2985414745221 is an apocalyptic number.

It is an amenable number.

985414745221 is a deficient number, since it is larger than the sum of its proper divisors (89102569979).

985414745221 is a wasteful number, since it uses less digits than its factorization.

985414745221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14213340.

The product of its digits is 3225600, while the sum is 52.

The spelling of 985414745221 in words is "nine hundred eighty-five billion, four hundred fourteen million, seven hundred forty-five thousand, two hundred twenty-one".

Divisors: 1 19 41 89 779 1691 3649 69331 14213191 270050629 582740831 1264973999 11072075789 24034505981 51863933959 985414745221