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101221034443 = 237997574307
BaseRepresentation
bin101111001000100111…
…1100110100111001011
3100200021021020022121121
41132101033212213023
53124300041100233
6114300022020111
710212231411454
oct1362117464713
9320237208547
10101221034443
1139a226a9381
121774a877637
13971178a129
144c832a812b
15297652c92d
hex17913e69cb

101221034443 has 16 divisors (see below), whose sum is σ = 108061793280. Its totient is φ = 94608873216.

The previous prime is 101221034441. The next prime is 101221034501. The reversal of 101221034443 is 344430122101.

It is a cyclic number.

It is not a de Polignac number, because 101221034443 - 21 = 101221034441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101221034441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110905 + ... + 463402.

It is an arithmetic number, because the mean of its divisors is an integer number (6753862080).

Almost surely, 2101221034443 is an apocalyptic number.

101221034443 is a deficient number, since it is larger than the sum of its proper divisors (6840758837).

101221034443 is an equidigital number, since it uses as much as digits as its factorization.

101221034443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574506.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 101221034443 its reverse (344430122101), we get a palindrome (445651156544).

The spelling of 101221034443 in words is "one hundred one billion, two hundred twenty-one million, thirty-four thousand, four hundred forty-three".

Divisors: 1 23 79 97 1817 2231 7663 176249 574307 13209061 45370253 55707779 1043515819 1281278917 4400914541 101221034443