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612229000680 = 2332511206374941
BaseRepresentation
bin10001110100010111011…
…00010010110111101000
32011112021021212122201100
420322023230102313220
540012321111010210
61145130520121400
762142414433143
oct10721354226750
92145237778640
10612229000680
11216710345830
129a7a2306260
134596b39149b
14218bc47305a
1510dd37755c0
hex8e8bb12de8

612229000680 has 192 divisors, whose sum is σ = 2171711243520. Its totient is φ = 148345228800.

The previous prime is 612229000667. The next prime is 612229000681. The reversal of 612229000680 is 86000922216.

It is a happy number.

612229000680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (612229000681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8132010 + ... + 8206950.

It is an arithmetic number, because the mean of its divisors is an integer number (11310996060).

Almost surely, 2612229000680 is an apocalyptic number.

612229000680 is a gapful number since it is divisible by the number (60) 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 612229000680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085855621760).

612229000680 is an abundant number, since it is smaller than the sum of its proper divisors (1559482242840).

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

612229000680 is a wasteful number, since it uses less digits than its factorization.

612229000680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77032 (or 77025 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

Adding to 612229000680 its reverse (86000922216), we get a palindrome (698229922896).

The spelling of 612229000680 in words is "six hundred twelve billion, two hundred twenty-nine million, six hundred eighty", and thus it is an aban number.