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5130720670 = 251927003793
BaseRepresentation
bin1001100011101000…
…01001010110011110
3111020120100121121111
410301310021112132
541001431030140
62205041052234
7241100256205
oct46164112636
914216317544
105130720670
1121a3181419
12bb232707a
13639c6a3ba
143695ac23c
152006787ea
hex131d0959e

5130720670 has 16 divisors (see below), whose sum is σ = 9721365840. Its totient is φ = 1944273024.

The previous prime is 5130720667. The next prime is 5130720671. The reversal of 5130720670 is 760270315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5130720671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13501707 + ... + 13502086.

It is an arithmetic number, because the mean of its divisors is an integer number (607585365).

Almost surely, 25130720670 is an apocalyptic number.

5130720670 is a deficient number, since it is larger than the sum of its proper divisors (4590645170).

5130720670 is a wasteful number, since it uses less digits than its factorization.

5130720670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27003819.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 5130720670 is about 71629.0490653059. The cubic root of 5130720670 is about 1724.7498812598.

Adding to 5130720670 its reverse (760270315), we get a palindrome (5890990985).

The spelling of 5130720670 in words is "five billion, one hundred thirty million, seven hundred twenty thousand, six hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 27003793 54007586 135018965 270037930 513072067 1026144134 2565360335 5130720670