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7143199380 = 22335293491307
BaseRepresentation
bin1101010011100010…
…01001001010010100
3200102211012010102000
412221301021022110
5104112124340010
63140451315300
7342005123112
oct65161111224
920384163360
107143199380
113036171469
1214742abb30
1389ab935c5
144ba994ab2
152bc1a37c0
hex1a9c49294

7143199380 has 192 divisors, whose sum is σ = 23073120000. Its totient is φ = 1832495616.

The previous prime is 7143199379. The next prime is 7143199381. The reversal of 7143199380 is 839913417.

It is an interprime number because it is at equal distance from previous prime (7143199379) and next prime (7143199381).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7143199381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5464687 + ... + 5465993.

It is an arithmetic number, because the mean of its divisors is an integer number (120172500).

Almost surely, 27143199380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7143199380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11536560000).

7143199380 is an abundant number, since it is smaller than the sum of its proper divisors (15929920620).

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

7143199380 is a wasteful number, since it uses less digits than its factorization.

7143199380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 7143199380 is about 84517.4501508416. The cubic root of 7143199380 is about 1925.8875430501.

The spelling of 7143199380 in words is "seven billion, one hundred forty-three million, one hundred ninety-nine thousand, three hundred eighty".