Search a number
-
+
2995998720 = 212351121331
BaseRepresentation
bin1011001010010011…
…0101000000000000
321201210111111121120
42302210311000000
522113433424340
61213142352240
7134146366101
oct26244650000
97653444546
102995998720
1112a8188200
126b742b680
13389913210
14205c843a8
151280534d0
hexb2935000

2995998720 has 624 divisors, whose sum is σ = 11713261056. Its totient is φ = 648806400.

The previous prime is 2995998703. The next prime is 2995998721. The reversal of 2995998720 is 278995992.

It is a tau number, because it is divible by the number of its divisors (624).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2995998721) 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, 96645105 + ... + 96645135.

Almost surely, 22995998720 is an apocalyptic number.

2995998720 is a gapful number since it is divisible by the number (20) 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 2995998720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5856630528).

2995998720 is an abundant number, since it is smaller than the sum of its proper divisors (8717262336).

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

2995998720 is a wasteful number, since it uses less digits than its factorization.

2995998720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 60.

The square root of 2995998720 is about 54735.7170410693. The cubic root of 2995998720 is about 1441.6080800959.

The spelling of 2995998720 in words is "two billion, nine hundred ninety-five million, nine hundred ninety-eight thousand, seven hundred twenty".