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10211443431 = 3717293131817
BaseRepresentation
bin10011000001010011…
…00100001011100111
3222100122122001222120
421200221210023213
5131403112142211
64405134401023
7511022560050
oct114051441347
928318561876
1010211443431
114370103652
121b8b960173
13c69750327
146cc283727
153eb727d06
hex260a642e7

10211443431 has 64 divisors (see below), whose sum is σ = 17594081280. Its totient is φ = 5131284480.

The previous prime is 10211443421. The next prime is 10211443441. The reversal of 10211443431 is 13434411201.

It is an interprime number because it is at equal distance from previous prime (10211443421) and next prime (10211443441).

It is not a de Polignac number, because 10211443431 - 25 = 10211443399 is a prime.

It is a super-2 number, since 2×102114434312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211443421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 305035 + ... + 336851.

It is an arithmetic number, because the mean of its divisors is an integer number (274907520).

Almost surely, 210211443431 is an apocalyptic number.

10211443431 is a deficient number, since it is larger than the sum of its proper divisors (7382637849).

10211443431 is a wasteful number, since it uses less digits than its factorization.

10211443431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31904.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 10211443431 its reverse (13434411201), we get a palindrome (23645854632).

The spelling of 10211443431 in words is "ten billion, two hundred eleven million, four hundred forty-three thousand, four hundred thirty-one".

Divisors: 1 3 7 17 21 29 31 51 87 93 119 203 217 357 493 527 609 651 899 1479 1581 2697 3451 3689 6293 10353 11067 15283 18879 31817 45849 95451 106981 222719 320943 540889 668157 922693 986327 1622667 2768079 2958981 3786223 6458851 6904289 11358669 15685781 16767559 19376553 20712867 28603483 47057343 50302677 85810449 109800467 117372913 200224381 329401401 352118739 486259211 600673143 1458777633 3403814477 10211443431