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3143122840 = 2351113243983
BaseRepresentation
bin1011101101011000…
…0011111110011000
322010001100011222001
42323112003332120
522414114412330
61235520010344
7140614050304
oct27326037630
98101304861
103143122840
111373235790
127387609b4
133b1246100
1421b620d04
15135e159ca
hexbb583f98

3143122840 has 192 divisors, whose sum is σ = 8557021440. Its totient is φ = 1029450240.

The previous prime is 3143122819. The next prime is 3143122841. The reversal of 3143122840 is 482213413.

It is a junction number, because it is equal to n+sod(n) for n = 3143122799 and 3143122808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143122841) 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, 3196989 + ... + 3197971.

It is an arithmetic number, because the mean of its divisors is an integer number (44567820).

Almost surely, 23143122840 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 3143122840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4278510720).

3143122840 is an abundant number, since it is smaller than the sum of its proper divisors (5413898600).

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

3143122840 is a wasteful number, since it uses less digits than its factorization.

3143122840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 3143122840 is about 56063.5607146032. The cubic root of 3143122840 is about 1464.8296369123.

The spelling of 3143122840 in words is "three billion, one hundred forty-three million, one hundred twenty-two thousand, eight hundred forty".