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10121330 = 251012133
BaseRepresentation
bin100110100111…
…000001110010
3201001012212002
4212213001302
510042340310
61000534002
7152013152
oct46470162
921035762
1010121330
11579333a
123481302
132134b6b
1414b6762
15d4dda5
hex9a7072

10121330 has 8 divisors (see below), whose sum is σ = 18218412. Its totient is φ = 4048528.

The previous prime is 10121329. The next prime is 10121333. The reversal of 10121330 is 3312101.

It can be written as a sum of positive squares in 2 ways, for example, as 9740641 + 380689 = 3121^2 + 617^2 .

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 (10121333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506057 + ... + 506076.

Almost surely, 210121330 is an apocalyptic number.

10121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121330 is a deficient number, since it is larger than the sum of its proper divisors (8097082).

10121330 is a wasteful number, since it uses less digits than its factorization.

10121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012140.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 10121330 is about 3181.4037782086. The cubic root of 10121330 is about 216.3112938396.

Adding to 10121330 its reverse (3312101), we get a palindrome (13433431).

The spelling of 10121330 in words is "ten million, one hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 1012133 2024266 5060665 10121330