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212040104403443 = 318920917667383
BaseRepresentation
bin110000001101100101101111…
…000110011110000111110011
31000210202211120110012221110112
4300031211233012132013303
5210243031113211402233
62030545513524051535
762443251312203201
oct6015455706360763
91023684513187415
10212040104403443
1161620781075028
121b946961b33bab
1391413b0556bb4
143a50b1d9ca071
15197a9b2c1b048
hexc0d96f19e1f3

212040104403443 has 8 divisors (see below), whose sum is σ = 218880381674496. Its totient is φ = 205199844251400.

The previous prime is 212040104403389. The next prime is 212040104403469. The reversal of 212040104403443 is 344304401040212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212040104403443 - 232 = 212035809436147 is a prime.

It is a super-2 number, since 2×2120401044034432 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212040104403143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23821130 + ... + 31488512.

It is an arithmetic number, because the mean of its divisors is an integer number (27360047709312).

Almost surely, 2212040104403443 is an apocalyptic number.

212040104403443 is a deficient number, since it is larger than the sum of its proper divisors (6840277271053).

212040104403443 is an equidigital number, since it uses as much as digits as its factorization.

212040104403443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8559505.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 212040104403443 its reverse (344304401040212), we get a palindrome (556344505443655).

The spelling of 212040104403443 in words is "two hundred twelve trillion, forty billion, one hundred four million, four hundred three thousand, four hundred forty-three".

Divisors: 1 31 892091 7667383 27654821 237688873 6840003367853 212040104403443