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101243444213 = 1971557134741
BaseRepresentation
bin101111001001010010…
…1000101101111110101
3100200022211101212001002
41132102211011233311
53124321310203323
6114302142213045
710212623035202
oct1362245055765
9320284355032
10101243444213
1139a3431514a
1217756284185
139716305352
144c8625cca9
1529784a7828
hex1792945bf5

101243444213 has 16 divisors (see below), whose sum is σ = 108267891840. Its totient is φ = 94393454400.

The previous prime is 101243444207. The next prime is 101243444219. The reversal of 101243444213 is 312444342101.

It is an interprime number because it is at equal distance from previous prime (101243444207) and next prime (101243444219).

It is a cyclic number.

It is not a de Polignac number, because 101243444213 - 26 = 101243444149 is a prime.

It is a super-2 number, since 2×1012434442132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101243444219) 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, 684023 + ... + 818763.

It is an arithmetic number, because the mean of its divisors is an integer number (6766743240).

Almost surely, 2101243444213 is an apocalyptic number.

It is an amenable number.

101243444213 is a deficient number, since it is larger than the sum of its proper divisors (7024447627).

101243444213 is a wasteful number, since it uses less digits than its factorization.

101243444213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135388.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 101243444213 its reverse (312444342101), we get a palindrome (413687786314).

The spelling of 101243444213 in words is "one hundred one billion, two hundred forty-three million, four hundred forty-four thousand, two hundred thirteen".

Divisors: 1 19 71 557 1349 10583 39547 134741 751393 2560079 9566611 75050737 181765609 1425964003 5328602327 101243444213