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344789729380 = 22567829254161
BaseRepresentation
bin1010000010001110001…
…00011100000001100100
31012221221222201000202001
411001013010130001210
521122112132320010
6422221052255044
733624132225625
oct5010704340144
91187858630661
10344789729380
111232518a4978
12569a5471484
132668a2ca965
141298b8b7a4c
158e7e914c3a
hex504711c064

344789729380 has 24 divisors (see below), whose sum is σ = 724071955320. Its totient is φ = 137913315840.

The previous prime is 344789729329. The next prime is 344789729381. The reversal of 344789729380 is 83927987443.

It can be written as a sum of positive squares in 4 ways, for example, as 48024092736 + 296765636644 = 219144^2 + 544762^2 .

It is not an unprimeable number, because it can be changed into a prime (344789729381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229500 + ... + 1483660.

It is an arithmetic number, because the mean of its divisors is an integer number (30169664805).

Almost surely, 2344789729380 is an apocalyptic number.

It is an amenable number.

344789729380 is an abundant number, since it is smaller than the sum of its proper divisors (379282225940).

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

344789729380 is a wasteful number, since it uses less digits than its factorization.

344789729380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321999 (or 321997 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 64.

The spelling of 344789729380 in words is "three hundred forty-four billion, seven hundred eighty-nine million, seven hundred twenty-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 67829 135658 254161 271316 339145 508322 678290 1016644 1270805 1356580 2541610 5083220 17239486469 34478972938 68957945876 86197432345 172394864690 344789729380