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63384850497 = 31912710938011
BaseRepresentation
bin111011000010000010…
…000001000001000001
320001121101210000201110
4323002002001001001
52014303010203442
645041341153533
74402510224333
oct730202010101
9201541700643
1063384850497
1124977106371
121034b55b8a9
135c91aaa5c7
1430d4239453
1519ae9b669c
hexec2081041

63384850497 has 32 divisors (see below), whose sum is σ = 89754910720. Its totient is φ = 39676029120.

The previous prime is 63384850493. The next prime is 63384850511. The reversal of 63384850497 is 79405848336.

It is not a de Polignac number, because 63384850497 - 22 = 63384850493 is a prime.

It is a super-2 number, since 2×633848504972 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63384850493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7908222 + ... + 7916232.

It is an arithmetic number, because the mean of its divisors is an integer number (2804840960).

Almost surely, 263384850497 is an apocalyptic number.

It is an amenable number.

63384850497 is a deficient number, since it is larger than the sum of its proper divisors (26370060223).

63384850497 is a wasteful number, since it uses less digits than its factorization.

63384850497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9253.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 63384850497 in words is "sixty-three billion, three hundred eighty-four million, eight hundred fifty thousand, four hundred ninety-seven".

Divisors: 1 3 19 57 127 381 1093 2413 3279 7239 8011 20767 24033 62301 138811 152209 416433 456627 1017397 2637409 3052191 7912227 8756023 19330543 26268069 57991629 166364437 499093311 1112014921 3336044763 21128283499 63384850497