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13373606421 = 3272696171279
BaseRepresentation
bin11000111010010000…
…10000101000010101
31021112000210121010100
430131020100220111
5204342120401141
610051014444313
7652260531120
oct143510205025
937460717110
1013373606421
11574306349a
122712963699
1313519019a6
1490c21d3b7
155341500b6
hex31d210a15

13373606421 has 48 divisors (see below), whose sum is σ = 22212403200. Its totient is φ = 7595368704.

The previous prime is 13373606369. The next prime is 13373606453. The reversal of 13373606421 is 12460637331.

13373606421 is a `hidden beast` number, since 1 + 3 + 3 + 7 + 3 + 6 + 0 + 642 + 1 = 666.

It is not a de Polignac number, because 13373606421 - 27 = 13373606293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13373606471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10455660 + ... + 10456938.

It is an arithmetic number, because the mean of its divisors is an integer number (462758400).

Almost surely, 213373606421 is an apocalyptic number.

It is an amenable number.

13373606421 is a deficient number, since it is larger than the sum of its proper divisors (8838796779).

13373606421 is a wasteful number, since it uses less digits than its factorization.

13373606421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 13373606421 in words is "thirteen billion, three hundred seventy-three million, six hundred six thousand, four hundred twenty-one".

Divisors: 1 3 7 9 21 63 269 617 807 1279 1851 1883 2421 3837 4319 5553 5649 8953 11511 12957 16947 26859 38871 80577 165973 344051 497919 789143 1032153 1161811 1493757 2367429 2408357 3096459 3485433 5524001 7102287 7225071 10456299 16572003 21675213 49716009 212279467 636838401 1485956269 1910515203 4457868807 13373606421