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53500383850381 = 1379973591495961
BaseRepresentation
bin11000010101000100001110…
…10111111110111110001101
321000102120211201220212120021
430022202013113332332031
524003022241231203011
6305441423111222141
714161163246265106
oct1412420727767615
9230376751825507
1053500383850381
1116057426a27786
126000896377951
1323b10aba79540
14d2d60a6c33ad
1562ba03a5a471
hex30a8875fef8d

53500383850381 has 32 divisors (see below), whose sum is σ = 59110844083200. Its totient is φ = 48122711470080.

The previous prime is 53500383850363. The next prime is 53500383850427. The reversal of 53500383850381 is 18305838300535.

It is not a de Polignac number, because 53500383850381 - 235 = 53466024112013 is a prime.

It is a super-3 number, since 3×535003838503813 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53500383850351) 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, 35015241 + ... + 36511201.

It is an arithmetic number, because the mean of its divisors is an integer number (1847213877600).

Almost surely, 253500383850381 is an apocalyptic number.

It is an amenable number.

53500383850381 is a deficient number, since it is larger than the sum of its proper divisors (5610460232819).

53500383850381 is a wasteful number, since it uses less digits than its factorization.

53500383850381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496509.

The product of its (nonzero) digits is 5184000, while the sum is 52.

The spelling of 53500383850381 in words is "fifty-three trillion, five hundred billion, three hundred eighty-three million, eight hundred fifty thousand, three hundred eighty-one".

Divisors: 1 13 79 97 359 1027 1261 4667 7663 28361 34823 99619 368693 452699 1495961 2751017 19447493 35763221 118180919 145108217 537049999 1536351947 1886406821 6981649987 11463549143 42426949921 52093849903 149026138859 551550348973 677220048739 4115414142337 53500383850381