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13023001201021 = 737438591361287
BaseRepresentation
bin1011110110000010011101…
…0111000100100101111101
31201002222122100022121100121
42331200213113010211331
53201332101301413041
643410403440054541
72512611052522450
oct275404727044575
951088570277317
1013023001201021
11417102973a539
121563b40904451
137360aa078136
14330460b47497
15178b58b327d1
hexbd8275c497d

13023001201021 has 32 divisors (see below), whose sum is σ = 15659385927680. Its totient is φ = 10595945295936.

The previous prime is 13023001201003. The next prime is 13023001201069. The reversal of 13023001201021 is 12010210032031.

It is not a de Polignac number, because 13023001201021 - 213 = 13023001192829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13023001200986 and 13023001201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023001201081) 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, 8886040 + ... + 10247326.

It is an arithmetic number, because the mean of its divisors is an integer number (489355810240).

Almost surely, 213023001201021 is an apocalyptic number.

It is an amenable number.

13023001201021 is a deficient number, since it is larger than the sum of its proper divisors (2636384726659).

13023001201021 is a wasteful number, since it uses less digits than its factorization.

13023001201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362233.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13023001201021 its reverse (12010210032031), we get a palindrome (25033211233052).

The spelling of 13023001201021 in words is "thirteen trillion, twenty-three billion, one million, two hundred one thousand, twenty-one".

Divisors: 1 7 37 43 259 301 859 1591 6013 11137 31783 36937 222481 258559 1361287 1366669 9529009 9566683 50367619 58535341 352573333 409747387 1169345533 2165807617 8185418731 15160653319 43265784721 50281857919 302860493047 351973005433 1860428743003 13023001201021