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53101222421 = 1347535927793
BaseRepresentation
bin110001011101000101…
…000101101000010101
312002001201022121000112
4301131011011220111
51332222403104141
640221103252405
73556616641352
oct613505055025
9162051277015
1053101222421
112057a28a395
12a35b5aa105
135013405290
1427da565629
1515abc807eb
hexc5d145a15

53101222421 has 32 divisors (see below), whose sum is σ = 60515320320. Its totient is φ = 46269010944.

The previous prime is 53101222417. The next prime is 53101222459. The reversal of 53101222421 is 12422210135.

It is not a de Polignac number, because 53101222421 - 22 = 53101222417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53101222481) 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, 1896701 + ... + 1924493.

It is an arithmetic number, because the mean of its divisors is an integer number (1891103760).

Almost surely, 253101222421 is an apocalyptic number.

It is an amenable number.

53101222421 is a deficient number, since it is larger than the sum of its proper divisors (7414097899).

53101222421 is a wasteful number, since it uses less digits than its factorization.

53101222421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27965.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 53101222421 its reverse (12422210135), we get a palindrome (65523432556).

The spelling of 53101222421 in words is "fifty-three billion, one hundred one million, two hundred twenty-two thousand, four hundred twenty-one".

Divisors: 1 13 47 53 59 611 689 767 2491 2773 3127 27793 32383 36049 40651 146969 361309 1306271 1473029 1639787 1910597 16981523 19149377 21317231 69232363 77069989 86908711 900020719 1001909857 1129813243 4084709417 53101222421