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13020020132021 = 7232917331750849
BaseRepresentation
bin1011110101110111010110…
…1011001100100010110101
31201002200221120220121110122
42331131311223030202311
53201310000123211041
643405151545301325
72512444144044260
oct275356553144265
951080846817418
1013020020132021
11416a839a2a251
12156344a494845
13735a23591596
1433025ac6bcd7
15178a3207cc4b
hexbd775acc8b5

13020020132021 has 64 divisors (see below), whose sum is σ = 16206521472000. Its totient is φ = 10214600073216.

The previous prime is 13020020132003. The next prime is 13020020132033. The reversal of 13020020132021 is 12023102002031.

It is not a de Polignac number, because 13020020132021 - 214 = 13020020115637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020020132071) 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, 256027205 + ... + 256078053.

It is an arithmetic number, because the mean of its divisors is an integer number (253226898000).

Almost surely, 213020020132021 is an apocalyptic number.

It is an amenable number.

13020020132021 is a deficient number, since it is larger than the sum of its proper divisors (3186501339979).

13020020132021 is a wasteful number, since it uses less digits than its factorization.

13020020132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51398.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13020020132021 its reverse (12023102002031), we get a palindrome (25043122134052).

The spelling of 13020020132021 in words is "thirteen trillion, twenty billion, twenty million, one hundred thirty-two thousand, twenty-one".

Divisors: 1 7 23 29 161 173 203 317 667 1211 2219 3979 4669 5017 7291 9193 27853 35119 50849 51037 54841 64351 115391 211439 355943 383887 807737 1169527 1261343 1474621 1480073 1590389 8186689 8796877 8829401 10322347 11132723 16119133 33916283 36578947 61578139 112833931 202328171 237413981 255109433 256052629 370740059 467454857 1416297197 1785766031 2595180413 2788610009 3272183999 5867516959 10751461711 19520270063 41072618713 64138030207 75260231977 80869690261 448966211449 566087831827 1860002876003 13020020132021