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1010212730 = 25101021273
BaseRepresentation
bin111100001101101…
…001111101111010
32121101220010100022
4330031221331322
54032103301410
6244124210442
734014444422
oct7415517572
92541803308
101010212730
1147926985a
12242399a22
131313a4817
1498249482
155da4c455
hex3c369f7a

1010212730 has 8 divisors (see below), whose sum is σ = 1818382932. Its totient is φ = 404085088.

The previous prime is 1010212681. The next prime is 1010212757. The reversal of 1010212730 is 372120101.

It can be written as a sum of positive squares in 2 ways, for example, as 966401569 + 43811161 = 31087^2 + 6619^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1010212699 and 1010212708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50510627 + ... + 50510646.

Almost surely, 21010212730 is an apocalyptic number.

1010212730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1010212730 is a deficient number, since it is larger than the sum of its proper divisors (808170202).

1010212730 is a wasteful number, since it uses less digits than its factorization.

1010212730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101021280.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1010212730 is about 31783.8438518691. The cubic root of 1010212730 is about 1003.3927197686.

Adding to 1010212730 its reverse (372120101), we get a palindrome (1382332831).

The spelling of 1010212730 in words is "one billion, ten million, two hundred twelve thousand, seven hundred thirty".

Divisors: 1 2 5 10 101021273 202042546 505106365 1010212730