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29993667164180 = 2251499683358209
BaseRepresentation
bin1101101000111011100011…
…11000000111100000010100
310221012100220020100100220022
412310131301320013200110
512412404012243223210
6143442522300324312
76213654014232056
oct664356170074024
9127170806310808
1029993667164180
1196142741a9845
123444b82543698
131397510419a15
147599b629b8d6
1537030dd48155
hex1b4771e07814

29993667164180 has 12 divisors (see below), whose sum is σ = 62986701044820. Its totient is φ = 11997466865664.

The previous prime is 29993667164117. The next prime is 29993667164359. The reversal of 29993667164180 is 8146176639992.

It can be written as a sum of positive squares in 2 ways, for example, as 23591886693904 + 6401780470276 = 4857148^2 + 2530174^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749841679085 + ... + 749841679124.

It is an arithmetic number, because the mean of its divisors is an integer number (5248891753735).

Almost surely, 229993667164180 is an apocalyptic number.

29993667164180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29993667164180 is an abundant number, since it is smaller than the sum of its proper divisors (32993033880640).

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

29993667164180 is a wasteful number, since it uses less digits than its factorization.

29993667164180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499683358218 (or 1499683358216 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 71.

The spelling of 29993667164180 in words is "twenty-nine trillion, nine hundred ninety-three billion, six hundred sixty-seven million, one hundred sixty-four thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 1499683358209 2999366716418 5998733432836 7498416791045 14996833582090 29993667164180