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21060316079103 = 378355291218531
BaseRepresentation
bin1001100100111011111001…
…01010001010001111111111
32202120100100122020012220110
410302131330222022033333
510230023011404012403
6112442550423321103
74302362160004020
oct462357452121777
982510318205813
1021060316079103
11678a6a2426994
1224417692b0193
13b99c966470c2
1452b479114c47
15267c61988103
hex13277ca8a3ff

21060316079103 has 32 divisors (see below), whose sum is σ = 32479295772672. Its totient is φ = 11889203320800.

The previous prime is 21060316079093. The next prime is 21060316079129. The reversal of 21060316079103 is 30197061306012.

It is a Cunningham number, because it is equal to 45891522-1.

It is not a de Polignac number, because 21060316079103 - 26 = 21060316079039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21060316079503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96262948 + ... + 96481478.

It is an arithmetic number, because the mean of its divisors is an integer number (1014977992896).

Almost surely, 221060316079103 is an apocalyptic number.

21060316079103 is a deficient number, since it is larger than the sum of its proper divisors (11418979693569).

21060316079103 is a wasteful number, since it uses less digits than its factorization.

21060316079103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273915.

The product of its (nonzero) digits is 40824, while the sum is 39.

The spelling of 21060316079103 in words is "twenty-one trillion, sixty billion, three hundred sixteen million, seventy-nine thousand, one hundred three".

Divisors: 1 3 7 21 83 249 581 1743 55291 165873 218531 387037 655593 1161111 1529717 4589151 4589153 13767459 18138073 32124071 54414219 96372213 126966511 380899533 12082797521 36248392563 84579582647 253738747941 1002872194243 3008616582729 7020105359701 21060316079103