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13222555040 = 255431921883
BaseRepresentation
bin11000101000010000…
…00010110110100000
31021010111120101120202
430110020002312200
5204034433230130
610024021124332
7645444602102
oct142410026640
937114511522
1013222555040
115675873342
1226902596a8
131329525386
148d613d572
15525c64145
hex314202da0

13222555040 has 48 divisors (see below), whose sum is σ = 31964774688. Its totient is φ = 5166018816.

The previous prime is 13222555037. The next prime is 13222555109. The reversal of 13222555040 is 4055522231.

It is a junction number, because it is equal to n+sod(n) for n = 13222554994 and 13222555012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954062 + ... + 967821.

It is an arithmetic number, because the mean of its divisors is an integer number (665932806).

Almost surely, 213222555040 is an apocalyptic number.

13222555040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13222555040 is an abundant number, since it is smaller than the sum of its proper divisors (18742219648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13222555040 is a wasteful number, since it uses less digits than its factorization.

13222555040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921941 (or 1921933 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 13222555040 in words is "thirteen billion, two hundred twenty-two million, five hundred fifty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 80 86 160 172 215 344 430 688 860 1376 1720 3440 6880 1921883 3843766 7687532 9609415 15375064 19218830 30750128 38437660 61500256 76875320 82640969 153750640 165281938 307501280 330563876 413204845 661127752 826409690 1322255504 1652819380 2644511008 3305638760 6611277520 13222555040