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3130440000 = 26354191373
BaseRepresentation
bin1011101010010110…
…1011100101000000
322002011110211101020
42322211223211000
522402343040000
61234344105440
7140401205142
oct27245534500
98064424336
103130440000
1113670629a6
12734465280
133ab72537c
14219a7cc92
15134c5cba0
hexba96b940

3130440000 has 280 divisors, whose sum is σ = 10902635040. Its totient is φ = 790272000.

The previous prime is 3130439951. The next prime is 3130440007. The reversal of 3130440000 is 440313.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130440007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2279314 + ... + 2280686.

Almost surely, 23130440000 is an apocalyptic number.

3130440000 is a gapful number since it is divisible by the number (30) 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 3130440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5451317520).

3130440000 is an abundant number, since it is smaller than the sum of its proper divisors (7772195040).

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

3130440000 is a wasteful number, since it uses less digits than its factorization.

3130440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3130440000 is about 55950.3351196398. The cubic root of 3130440000 is about 1462.8567323229.

Adding to 3130440000 its reverse (440313), we get a palindrome (3130880313).

The spelling of 3130440000 in words is "three billion, one hundred thirty million, four hundred forty thousand".