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530515330020 = 2232513226715953
BaseRepresentation
bin1111011100001010010…
…11011000001111100100
31212201100112012002111200
413232011023120033210
532142443411030040
61043414304402500
753220443621154
oct7560513301744
91781315162450
10530515330020
11194a99089605
1286998616430
133b048204880
141b969c94764
15dbeeb02630
hex7b852d83e4

530515330020 has 72 divisors (see below), whose sum is σ = 1733016752376. Its totient is φ = 130588388352.

The previous prime is 530515329997. The next prime is 530515330021. The reversal of 530515330020 is 20033515035.

530515330020 is a `hidden beast` number, since 5 + 305 + 1 + 5 + 330 + 0 + 20 = 666.

530515330020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 129013145856 + 401502184164 = 359184^2 + 633642^2 .

It is not an unprimeable number, because it can be changed into a prime (530515330021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113355637 + ... + 113360316.

Almost surely, 2530515330020 is an apocalyptic number.

It is an amenable number.

530515330020 is an abundant number, since it is smaller than the sum of its proper divisors (1202501422356).

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

530515330020 is a wasteful number, since it uses less digits than its factorization.

530515330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226715981 (or 226715976 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

Adding to 530515330020 its reverse (20033515035), we get a palindrome (550548845055).

The spelling of 530515330020 in words is "five hundred thirty billion, five hundred fifteen million, three hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 1170 2340 226715953 453431906 680147859 906863812 1133579765 1360295718 2040443577 2267159530 2720591436 2947307389 3400739295 4080887154 4534319060 5894614778 6801478590 8161774308 8841922167 10202217885 11789229556 13602957180 14736536945 17683844334 20404435770 26525766501 29473073890 35367688668 40808871540 44209610835 53051533002 58946147780 88419221670 106103066004 132628832505 176838443340 265257665010 530515330020