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30500555052555 = 3257213832451271
BaseRepresentation
bin1101110111101011101101…
…01111111101011000001011
310222222211021010100001200200
412323311312233331120023
512444210114043140210
6144511432255103243
76265410121212600
oct673656657753013
9128884233301620
1030500555052555
11979a2381a7775
123507266211b23
131403261579193
147763401b66a7
1537d5c94ec0c0
hex1bbd76bfd60b

30500555052555 has 36 divisors (see below), whose sum is σ = 61499078355312. Its totient is φ = 13943110880160.

The previous prime is 30500555052509. The next prime is 30500555052577. The reversal of 30500555052555 is 55525055500503.

It is not a de Polignac number, because 30500555052555 - 27 = 30500555052427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 30500555052555.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6916223431 + ... + 6916227840.

It is an arithmetic number, because the mean of its divisors is an integer number (1708307732092).

Almost surely, 230500555052555 is an apocalyptic number.

30500555052555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30500555052555 is an abundant number, since it is smaller than the sum of its proper divisors (30998523302757).

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

30500555052555 is a wasteful number, since it uses less digits than its factorization.

30500555052555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13832451296 (or 13832451286 counting only the distinct ones).

The product of its (nonzero) digits is 2343750, while the sum is 45.

The spelling of 30500555052555 in words is "thirty trillion, five hundred billion, five hundred fifty-five million, fifty-two thousand, five hundred fifty-five".

Divisors: 1 3 5 7 9 15 21 35 45 49 63 105 147 245 315 441 735 2205 13832451271 41497353813 69162256355 96827158897 124492061439 207486769065 290481476691 484135794485 622460307195 677790112279 871444430073 1452407383455 2033370336837 3388950561395 4357222150365 6100111010511 10166851684185 30500555052555