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30003055052500 = 225425469471209
BaseRepresentation
bin1101101001001101000010…
…11100000100011011010100
310221020021010111022111122201
412310212201130010123110
512413032224043140000
6143451114015334244
76214435450041625
oct664464134043324
9127207114274581
1030003055052500
119618251443232
123446962521384
13139837835a81a
1475a227003a4c
153706ad0e496a
hex1b49a17046d4

30003055052500 has 60 divisors (see below), whose sum is σ = 65613396132900. Its totient is φ = 12000725344000.

The previous prime is 30003055052473. The next prime is 30003055052507. The reversal of 30003055052500 is 525055030003.

It can be written as a sum of positive squares in 10 ways, for example, as 24791596141456 + 5211458911044 = 4979116^2 + 2282862^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30003055052507) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63436896 + ... + 63908104.

It is an arithmetic number, because the mean of its divisors is an integer number (1093556602215).

Almost surely, 230003055052500 is an apocalyptic number.

It is an amenable number.

30003055052500 is an abundant number, since it is smaller than the sum of its proper divisors (35610341080400).

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

30003055052500 is a wasteful number, since it uses less digits than its factorization.

30003055052500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496702 (or 496685 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 28.

The spelling of 30003055052500 in words is "thirty trillion, three billion, fifty-five million, fifty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2500 25469 50938 101876 127345 254690 471209 509380 636725 942418 1273450 1884836 2356045 2546900 3183625 4712090 6367250 9424180 11780225 12734500 15918125 23560450 31836250 47120900 58901125 63672500 117802250 235604500 294505625 589011250 1178022500 12001222021 24002444042 48004888084 60006110105 120012220210 240024440420 300030550525 600061101050 1200122202100 1500152752625 3000305505250 6000611010500 7500763763125 15001527526250 30003055052500