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469805731390 = 25107439070777
BaseRepresentation
bin1101101011000101001…
…10101000111000111110
31122220122120100221102201
412311202212220320332
530144130231401030
6555454211142114
745641136553612
oct6654246507076
91586576327381
10469805731390
111712750a65a6
1277074ba493a
13353c1757348
1418a4b089342
15c349e332ca
hex6d629a8e3e

469805731390 has 16 divisors (see below), whose sum is σ = 853553592432. Its totient is φ = 186166009024.

The previous prime is 469805731349. The next prime is 469805731391. The reversal of 469805731390 is 93137508964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469805731391) 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, 219534319 + ... + 219536458.

It is an arithmetic number, because the mean of its divisors is an integer number (53347099527).

Almost surely, 2469805731390 is an apocalyptic number.

469805731390 is a deficient number, since it is larger than the sum of its proper divisors (383747861042).

469805731390 is a wasteful number, since it uses less digits than its factorization.

469805731390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439070891.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 469805731390 in words is "four hundred sixty-nine billion, eight hundred five million, seven hundred thirty-one thousand, three hundred ninety".

Divisors: 1 2 5 10 107 214 535 1070 439070777 878141554 2195353885 4390707770 46980573139 93961146278 234902865695 469805731390