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13130332320021 = 371767754327389
BaseRepresentation
bin1011111100010010010011…
…0010110011000100010101
31201111020200102202101021020
42333010210302303010111
53210111410033220041
643531554050311353
72523430606135650
oct277044462630425
951436612671236
1013130332320021
1142025a7318874
1215808b5888559
137432536659c7
143357236b8897
1517b83b790866
hexbf124cb3115

13130332320021 has 32 divisors (see below), whose sum is σ = 21216366961920. Its totient is φ = 7051260343296.

The previous prime is 13130332319963. The next prime is 13130332320031. The reversal of 13130332320021 is 12002323303131.

It is not a de Polignac number, because 13130332320021 - 29 = 13130332319509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13130332319973 and 13130332320000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130332320031) 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, 26922006 + ... + 27405383.

It is an arithmetic number, because the mean of its divisors is an integer number (663011467560).

Almost surely, 213130332320021 is an apocalyptic number.

It is an amenable number.

13130332320021 is a deficient number, since it is larger than the sum of its proper divisors (8086034641899).

13130332320021 is a wasteful number, since it uses less digits than its factorization.

13130332320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54328093.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13130332320021 its reverse (12002323303131), we get a palindrome (25132655623152).

The spelling of 13130332320021 in words is "thirteen trillion, one hundred thirty billion, three hundred thirty-two million, three hundred twenty thousand, twenty-one".

Divisors: 1 3 7 17 21 51 119 357 677 2031 4739 11509 14217 34527 80563 241689 54327389 162982167 380291723 923565613 1140875169 2770696839 6464959291 19394877873 36779642353 110338927059 257457496471 625253920001 772372489413 1875761760003 4376777440007 13130332320021