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1020340130 = 25102034013
BaseRepresentation
bin111100110100010…
…010011110100010
32122002221122112012
4330310102132202
54042201341010
6245125232522
734166514365
oct7464223642
92562848465
101020340130
11483a56707
12245862742
1313350c374
14997240dc
155e89d005
hex3cd127a2

1020340130 has 8 divisors (see below), whose sum is σ = 1836612252. Its totient is φ = 408136048.

The previous prime is 1020340121. The next prime is 1020340133. The reversal of 1020340130 is 310430201.

1020340130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 979877809 + 40462321 = 31303^2 + 6361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1020340133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51016997 + ... + 51017016.

Almost surely, 21020340130 is an apocalyptic number.

1020340130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020340130 is a deficient number, since it is larger than the sum of its proper divisors (816272122).

1020340130 is a wasteful number, since it uses less digits than its factorization.

1020340130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102034020.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1020340130 is about 31942.7633432050. The cubic root of 1020340130 is about 1006.7345868582.

Adding to 1020340130 its reverse (310430201), we get a palindrome (1330770331).

The spelling of 1020340130 in words is "one billion, twenty million, three hundred forty thousand, one hundred thirty".

Divisors: 1 2 5 10 102034013 204068026 510170065 1020340130