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344125132505 = 5711893831513
BaseRepresentation
bin1010000000111110111…
…01001100111011011001
31012220020200011000012222
411000133131030323121
521114232013220010
6422031111513425
733601512235460
oct5003735147331
91186220130188
10344125132505
11122a40736460
125683a988875
13265b270597b
14129275179d7
158e413d7355
hex501f74ced9

344125132505 has 16 divisors (see below), whose sum is σ = 514846952064. Its totient is φ = 214519562880.

The previous prime is 344125132487. The next prime is 344125132511. The reversal of 344125132505 is 505231521443.

It is a de Polignac number, because none of the positive numbers 2k-344125132505 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446915372 + ... + 446916141.

It is an arithmetic number, because the mean of its divisors is an integer number (32177934504).

Almost surely, 2344125132505 is an apocalyptic number.

344125132505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

344125132505 is a deficient number, since it is larger than the sum of its proper divisors (170721819559).

344125132505 is a wasteful number, since it uses less digits than its factorization.

344125132505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893831536.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 344125132505 its reverse (505231521443), we get a palindrome (849356653948).

The spelling of 344125132505 in words is "three hundred forty-four billion, one hundred twenty-five million, one hundred thirty-two thousand, five hundred five".

Divisors: 1 5 7 11 35 55 77 385 893831513 4469157565 6256820591 9832146643 31284102955 49160733215 68825026501 344125132505