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3143122040 = 235239735221
BaseRepresentation
bin1011101101011000…
…0011110001111000
322010001100010212102
42323112003301320
522414114401130
61235520002532
7140614045052
oct27326036170
98101303772
103143122040
111373235123
12738760448
133b1245936
1421b6208d2
15135e15645
hexbb583c78

3143122040 has 64 divisors (see below), whose sum is σ = 7455792960. Its totient is φ = 1190154240.

The previous prime is 3143122019. The next prime is 3143122057. The reversal of 3143122040 is 402213413.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71630 + ... + 106850.

It is an arithmetic number, because the mean of its divisors is an integer number (116496765).

Almost surely, 23143122040 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 3143122040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3727896480).

3143122040 is an abundant number, since it is smaller than the sum of its proper divisors (4312670920).

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

3143122040 is a wasteful number, since it uses less digits than its factorization.

3143122040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35352 (or 35348 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3143122040 is about 56063.5535798437. The cubic root of 3143122040 is about 1464.8295126342.

Adding to 3143122040 its reverse (402213413), we get a palindrome (3545335453).

The spelling of 3143122040 in words is "three billion, one hundred forty-three million, one hundred twenty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 97 115 184 194 230 388 460 485 776 920 970 1940 2231 3880 4462 8924 11155 17848 22310 35221 44620 70442 89240 140884 176105 281768 352210 704420 810083 1408840 1620166 3240332 3416437 4050415 6480664 6832874 8100830 13665748 16201660 17082185 27331496 32403320 34164370 68328740 78578051 136657480 157156102 314312204 392890255 628624408 785780510 1571561020 3143122040