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348100103440 = 24553306126821
BaseRepresentation
bin1010001000011000110…
…00100000110100010000
31020021111200202110020201
411010030120200310100
521200402111302230
6423525345144544
734102150026145
oct5041430406420
91207450673221
10348100103440
111246a0484a01
125756a02b154
1326a970a2b8b
1412bc33d43cc
1590c53665ca
hex510c620d10

348100103440 has 80 divisors (see below), whose sum is σ = 824903314416. Its totient is φ = 136563148800.

The previous prime is 348100103437. The next prime is 348100103459. The reversal of 348100103440 is 44301001843.

It can be written as a sum of positive squares in 8 ways, for example, as 90779279616 + 257320823824 = 301296^2 + 507268^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 348100103399 and 348100103408.

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, 12965230 + ... + 12992050.

Almost surely, 2348100103440 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 348100103440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412451657208).

348100103440 is an abundant number, since it is smaller than the sum of its proper divisors (476803210976).

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

348100103440 is a wasteful number, since it uses less digits than its factorization.

348100103440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29948 (or 29942 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 348100103440 in words is "three hundred forty-eight billion, one hundred million, one hundred three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 53 80 106 212 265 424 530 848 1060 2120 3061 4240 6122 12244 15305 24488 26821 30610 48976 53642 61220 107284 122440 134105 162233 214568 244880 268210 324466 429136 536420 648932 811165 1072840 1297864 1421513 1622330 2145680 2595728 2843026 3244660 5686052 6489320 7107565 11372104 12978640 14215130 22744208 28430260 56860520 82099081 113721040 164198162 328396324 410495405 656792648 820990810 1313585296 1641981620 3283963240 4351251293 6567926480 8702502586 17405005172 21756256465 34810010344 43512512930 69620020688 87025025860 174050051720 348100103440