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630245231616 = 2103721113192367
BaseRepresentation
bin10010010101111011000…
…10110000110000000000
32020020202212121000101210
421022331202300300000
540311220234402431
61201310342330120
763351031035600
oct11127542606000
92206685530353
10630245231616
11223316003790
12a218ba29940
134757ca85770
142270b0c6c00
15115da287d46
hex92bd8b0c00

630245231616 has 2112 divisors, whose sum is σ = 2559246520320. Its totient is φ = 134886850560.

The previous prime is 630245231599. The next prime is 630245231617. The reversal of 630245231616 is 616132542036.

It is a tau number, because it is divible by the number of its divisors (2112).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (630245231617) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9406645215 + ... + 9406645281.

Almost surely, 2630245231616 is an apocalyptic number.

630245231616 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630245231616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1279623260160).

630245231616 is an abundant number, since it is smaller than the sum of its proper divisors (1929001288704).

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

630245231616 is a wasteful number, since it uses less digits than its factorization.

630245231616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 630245231616 in words is "six hundred thirty billion, two hundred forty-five million, two hundred thirty-one thousand, six hundred sixteen".