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1968030000 = 24335437197
BaseRepresentation
bin111010101001101…
…1100000100110000
312002011012021122000
41311103130010300
513012303430000
6523141414000
766524656536
oct16523340460
95064167560
101968030000
1191a9a1082
1246b10a300
132549627c1
14149536156
15b7b9a000
hex754dc130

1968030000 has 400 divisors, whose sum is σ = 7286542560. Its totient is φ = 508032000.

The previous prime is 1968029981. The next prime is 1968030023. The reversal of 1968030000 is 308691.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9989902 + ... + 9990098.

Almost surely, 21968030000 is an apocalyptic number.

1968030000 is a gapful number since it is divisible by the number (10) 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 1968030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3643271280).

1968030000 is an abundant number, since it is smaller than the sum of its proper divisors (5318512560).

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

1968030000 is a wasteful number, since it uses less digits than its factorization.

1968030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1968030000 is about 44362.4841504621. The cubic root of 1968030000 is about 1253.1716788892.

Adding to 1968030000 its reverse (308691), we get a palindrome (1968338691).

The spelling of 1968030000 in words is "one billion, nine hundred sixty-eight million, thirty thousand".