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344231401420 = 225194879911877
BaseRepresentation
bin1010000001001011100…
…10100101011111001100
31012220112002010000202201
411000211302211133030
521114441214321140
6422045425331244
733604242430414
oct5004562453714
91186462100681
10344231401420
11122a95719905
125686a496b24
13265cb73299a
141293769b644
158e4a8c949a
hex5025ca57cc

344231401420 has 96 divisors (see below), whose sum is σ = 763671121920. Its totient is φ = 129977084160.

The previous prime is 344231401357. The next prime is 344231401453. The reversal of 344231401420 is 24104132443.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183393522 + ... + 183395398.

It is an arithmetic number, because the mean of its divisors is an integer number (7954907520).

Almost surely, 2344231401420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344231401420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381835560960).

344231401420 is an abundant number, since it is smaller than the sum of its proper divisors (419439720500).

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

344231401420 is a wasteful number, since it uses less digits than its factorization.

344231401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383 (or 3381 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 344231401420 its reverse (24104132443), we get a palindrome (368335533863).

The spelling of 344231401420 in words is "three hundred forty-four billion, two hundred thirty-one million, four hundred one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 487 974 991 1877 1948 1982 2435 3754 3964 4870 4955 7508 9253 9385 9740 9910 18506 18770 18829 19820 35663 37012 37540 37658 46265 71326 75316 92530 94145 142652 178315 185060 188290 356630 376580 482617 713260 914099 965234 1828198 1860107 1930468 2413085 3656396 3720214 4570495 4826170 7440428 9140990 9169723 9300535 9652340 17367881 18281980 18339446 18601070 34735762 35342033 36678892 37202140 45848615 69471524 70684066 86839405 91697230 141368132 173678810 176710165 183394460 347357620 353420330 706840660 905872109 1811744218 3623488436 4529360545 9058721090 17211570071 18117442180 34423140142 68846280284 86057850355 172115700710 344231401420