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29213421318 = 2321622967851
BaseRepresentation
bin11011001101010000…
…010110111100000110
32210101221012120021100
4123031100112330012
5434312113440233
621230453000530
72052635661354
oct331520267406
983357176240
1029213421318
111143123a904
1257b3623146
1329a7431123
1415b1bb47d4
15b5ea53813
hex6cd416f06

29213421318 has 12 divisors (see below), whose sum is σ = 63295746228. Its totient is φ = 9737807100.

The previous prime is 29213421283. The next prime is 29213421331. The reversal of 29213421318 is 81312431292.

29213421318 is a `hidden beast` number, since 2 + 9 + 213 + 421 + 3 + 18 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 811483908 + ... + 811483943.

It is an arithmetic number, because the mean of its divisors is an integer number (5274645519).

Almost surely, 229213421318 is an apocalyptic number.

29213421318 is an abundant number, since it is smaller than the sum of its proper divisors (34082324910).

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

29213421318 is a wasteful number, since it uses less digits than its factorization.

29213421318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622967859 (or 1622967856 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The spelling of 29213421318 in words is "twenty-nine billion, two hundred thirteen million, four hundred twenty-one thousand, three hundred eighteen".

Divisors: 1 2 3 6 9 18 1622967851 3245935702 4868903553 9737807106 14606710659 29213421318