Search a number
-
+
30030521254000 = 245315015260627
BaseRepresentation
bin1101101010000000001101…
…00011010100000001110000
310221022220000122211002220221
412311000012203110001300
512414010001420112000
6143511455255342424
76216430211643061
oct665000643240160
9127286018732827
1030030521254000
119628966398a13
123450148981a14
13139ab347bb567
1475b6b0b20568
1537126956861a
hex1b50068d4070

30030521254000 has 40 divisors (see below), whose sum is σ = 72613800397008. Its totient is φ = 12012208500800.

The previous prime is 30030521253991. The next prime is 30030521254001. The reversal of 30030521254000 is 45212503003.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030521254001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7507628314 + ... + 7507632313.

Almost surely, 230030521254000 is an apocalyptic number.

It is an amenable number.

30030521254000 is an abundant number, since it is smaller than the sum of its proper divisors (42583279143008).

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

30030521254000 is a wasteful number, since it uses less digits than its factorization.

30030521254000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15015260650 (or 15015260634 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 30030521254000 its reverse (45212503003), we get a palindrome (30075733757003).

The spelling of 30030521254000 in words is "thirty trillion, thirty billion, five hundred twenty-one million, two hundred fifty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 15015260627 30030521254 60061042508 75076303135 120122085016 150152606270 240244170032 300305212540 375381515675 600610425080 750763031350 1201220850160 1501526062700 1876907578375 3003052125400 3753815156750 6006104250800 7507630313500 15015260627000 30030521254000