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1300533213 = 371273371447
BaseRepresentation
bin100110110000100…
…1000111111011101
310100122011221011210
41031201020333131
510130414030323
6333014535033
744141231010
oct11541107735
93318157153
101300533213
11608131941
12303667479
131795938a5
14c4a1d377
1579298293
hex4d848fdd

1300533213 has 32 divisors (see below), whose sum is σ = 2004680704. Its totient is φ = 734614272.

The previous prime is 1300533211. The next prime is 1300533251. The reversal of 1300533213 is 3123350031.

It is not a de Polignac number, because 1300533213 - 21 = 1300533211 is a prime.

It is a super-2 number, since 2×13005332132 = 3382773276232206738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1300533213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300533211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 898056 + ... + 899502.

It is an arithmetic number, because the mean of its divisors is an integer number (62646272).

Almost surely, 21300533213 is an apocalyptic number.

It is an amenable number.

1300533213 is a deficient number, since it is larger than the sum of its proper divisors (704147491).

1300533213 is a wasteful number, since it uses less digits than its factorization.

1300533213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 1300533213 is about 36062.9063304665. The cubic root of 1300533213 is about 1091.5420792989.

Adding to 1300533213 its reverse (3123350031), we get a palindrome (4423883244).

The spelling of 1300533213 in words is "one billion, three hundred million, five hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 3 7 21 127 337 381 889 1011 1447 2359 2667 4341 7077 10129 30387 42799 128397 183769 299593 487639 551307 898779 1286383 1462917 3413473 3859149 10240419 61930153 185790459 433511071 1300533213