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3143703472 = 247132974453
BaseRepresentation
bin1011101101100001…
…0001101110110000
322010002102200102221
42323120101232300
522414242002342
61235540250424
7140622016150
oct27330215660
98102380387
103143703472
1113735a1a48
127389a0a14
133b13ba490
1421b732760
15135ecca67
hexbb611bb0

3143703472 has 80 divisors (see below), whose sum is σ = 7755128640. Its totient is φ = 1200761856.

The previous prime is 3143703439. The next prime is 3143703481. The reversal of 3143703472 is 2743073413.

3143703472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4998 + ... + 79450.

It is an arithmetic number, because the mean of its divisors is an integer number (96939108).

Almost surely, 23143703472 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 3143703472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3877564320).

3143703472 is an abundant number, since it is smaller than the sum of its proper divisors (4611425168).

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

3143703472 is a wasteful number, since it uses less digits than its factorization.

3143703472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74510 (or 74504 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 3143703472 is about 56068.7388122829. The cubic root of 3143703472 is about 1464.9198311382.

Adding to 3143703472 its reverse (2743073413), we get a palindrome (5886776885).

The spelling of 3143703472 in words is "three billion, one hundred forty-three million, seven hundred three thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 29 52 56 58 91 104 112 116 182 203 208 232 364 377 406 464 728 754 812 1456 1508 1624 2639 3016 3248 5278 6032 10556 21112 42224 74453 148906 297812 521171 595624 967889 1042342 1191248 1935778 2084684 2159137 3871556 4169368 4318274 6775223 7743112 8338736 8636548 13550446 15113959 15486224 17273096 27100892 28068781 30227918 34546192 54201784 56137562 60455836 108403568 112275124 120911672 196481467 224550248 241823344 392962934 449100496 785925868 1571851736 3143703472