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53121003052300 = 2252557953698439
BaseRepresentation
bin11000001010000001100101…
…00001000101110100001100
320222002022121001000111011121
430011000302201011310030
523430313303240133200
6304551241340130324
714121602655563311
oct1405006241056414
9228068531014147
1053121003052300
1115a205443a7a27
125b5b2585369a4
13238439b1a57c1
14d190dab4ad08
15621bec43ee1a
hex305032845d0c

53121003052300 has 36 divisors (see below), whose sum is σ = 115479529305840. Its totient is φ = 21210253261120.

The previous prime is 53121003052223. The next prime is 53121003052307. The reversal of 53121003052300 is 325030012135.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (53121003052307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476793520 + ... + 476904919.

It is an arithmetic number, because the mean of its divisors is an integer number (3207764702940).

Almost surely, 253121003052300 is an apocalyptic number.

53121003052300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53121003052300 is an abundant number, since it is smaller than the sum of its proper divisors (62358526253540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53121003052300 is a wasteful number, since it uses less digits than its factorization.

53121003052300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953699010 (or 953699003 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 53121003052300 its reverse (325030012135), we get a palindrome (53446033064435).

The spelling of 53121003052300 in words is "fifty-three trillion, one hundred twenty-one billion, three million, fifty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 557 1114 2228 2785 5570 11140 13925 27850 55700 953698439 1907396878 3814793756 4768492195 9536984390 19073968780 23842460975 47684921950 95369843900 531210030523 1062420061046 2124840122092 2656050152615 5312100305230 10624200610460 13280250763075 26560501526150 53121003052300