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13370202021 = 311292895413
BaseRepresentation
bin11000111001110110…
…10001011110100101
31021111210101122011110
430130323101132211
5204340232431041
610050413455233
7652216561551
oct143473213645
937453348143
1013370202021
115741148740
1227117a1519
131350cac257
1490b9b4861
15533bcb516
hex31ced17a5

13370202021 has 48 divisors (see below), whose sum is σ = 20371366080. Its totient is φ = 7734397440.

The previous prime is 13370201989. The next prime is 13370202023. The reversal of 13370202021 is 12020207331.

It is not a de Polignac number, because 13370202021 - 25 = 13370201989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13370202023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2467311 + ... + 2472723.

It is an arithmetic number, because the mean of its divisors is an integer number (424403460).

Almost surely, 213370202021 is an apocalyptic number.

13370202021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13370202021 is a deficient number, since it is larger than the sum of its proper divisors (7001164059).

13370202021 is a wasteful number, since it uses less digits than its factorization.

13370202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574 (or 5545 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

Adding to 13370202021 its reverse (12020207331), we get a palindrome (25390409352).

The spelling of 13370202021 in words is "thirteen billion, three hundred seventy million, two hundred two thousand, twenty-one".

Divisors: 1 3 11 29 33 87 89 267 319 841 957 979 2523 2581 2937 5413 7743 9251 16239 27753 28391 59543 74849 85173 156977 178629 224547 470931 481757 823339 1445271 1726747 2470017 4552333 5180241 5299327 13656999 13970953 15897981 41912859 50075663 150226989 153680483 405157637 461041449 1215472911 4456734007 13370202021