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630253610612 = 22157563402653
BaseRepresentation
bin10010010101111100000…
…10101110011001110100
32020020210110100201012222
421022332002232121310
540311224411014422
61201311242101512
763351162204263
oct11127602563164
92206713321188
10630253610612
1122331a806a7a
12a21927aa898
134758172a552
142270c2685da
15115dad90842
hex92be0ae674

630253610612 has 6 divisors (see below), whose sum is σ = 1102943818578. Its totient is φ = 315126805304.

The previous prime is 630253610611. The next prime is 630253610641. The reversal of 630253610612 is 216016352036.

630253610612 is digitally balanced in base 2, 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 only one way, i.e., 443721183376 + 186532427236 = 666124^2 + 431894^2 .

It is a super-2 number, since 2×6302536106122 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630253610611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78781701323 + ... + 78781701330.

It is an arithmetic number, because the mean of its divisors is an integer number (183823969763).

Almost surely, 2630253610612 is an apocalyptic number.

It is an amenable number.

630253610612 is a deficient number, since it is larger than the sum of its proper divisors (472690207966).

630253610612 is a wasteful number, since it uses less digits than its factorization.

630253610612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157563402657 (or 157563402655 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 630253610612 its reverse (216016352036), we get a palindrome (846269962648).

The spelling of 630253610612 in words is "six hundred thirty billion, two hundred fifty-three million, six hundred ten thousand, six hundred twelve".

Divisors: 1 2 4 157563402653 315126805306 630253610612