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31404226074 = 2313402618283
BaseRepresentation
bin11101001111110101…
…100111011000011010
310000001121120222102020
4131033311213120122
51003303440213244
622232113315310
72161140342264
oct351765473032
9100047528366
1031404226074
1112355959951
126105265b36
132c662932c0
14173cb3ab34
15c3c055d19
hex74fd6761a

31404226074 has 16 divisors (see below), whose sum is σ = 67639871712. Its totient is φ = 9662838768.

The previous prime is 31404226069. The next prime is 31404226099. The reversal of 31404226074 is 47062240413.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201309064 + ... + 201309219.

It is an arithmetic number, because the mean of its divisors is an integer number (4227491982).

Almost surely, 231404226074 is an apocalyptic number.

31404226074 is an abundant number, since it is smaller than the sum of its proper divisors (36235645638).

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

31404226074 is a wasteful number, since it uses less digits than its factorization.

31404226074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402618301.

The product of its (nonzero) digits is 32256, while the sum is 33.

Adding to 31404226074 its reverse (47062240413), we get a palindrome (78466466487).

The spelling of 31404226074 in words is "thirty-one billion, four hundred four million, two hundred twenty-six thousand, seventy-four".

Divisors: 1 2 3 6 13 26 39 78 402618283 805236566 1207854849 2415709698 5234037679 10468075358 15702113037 31404226074