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38572100440 = 23553971071753
BaseRepresentation
bin100011111011000100…
…111000101101011000
310200120011012201112121
4203323010320231120
51112443424203230
625415245551024
72533565305216
oct437304705530
9120504181477
1038572100440
11153a3a43a65
127585875474
1338392b5b93
141c1cab5cb6
15100b48077a
hex8fb138b58

38572100440 has 128 divisors (see below), whose sum is σ = 90222672960. Its totient is φ = 14833188864.

The previous prime is 38572100407. The next prime is 38572100503. The reversal of 38572100440 is 4400127583.

38572100440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38572100396 and 38572100405.

It is a congruent number.

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, 22002604 + ... + 22004356.

Almost surely, 238572100440 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 38572100440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45111336480).

38572100440 is an abundant number, since it is smaller than the sum of its proper divisors (51650572520).

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

38572100440 is a wasteful number, since it uses less digits than its factorization.

38572100440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021 (or 2017 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 38572100440 in words is "thirty-eight billion, five hundred seventy-two million, one hundred thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 53 97 106 107 194 212 214 265 388 424 428 485 530 535 776 856 970 1060 1070 1753 1940 2120 2140 3506 3880 4280 5141 5671 7012 8765 10282 10379 11342 14024 17530 20564 20758 22684 25705 28355 35060 41128 41516 45368 51410 51895 56710 70120 83032 92909 102820 103790 113420 170041 185818 187571 205640 207580 226840 340082 371636 375142 415160 464545 550087 680164 743272 750284 850205 929090 937855 1100174 1360328 1500568 1700410 1858180 1875710 2200348 2750435 3400820 3716360 3751420 4400696 5500870 6801640 7502840 9012173 9941263 11001740 18024346 18194387 19882526 22003480 36048692 36388774 39765052 45060865 49706315 72097384 72777548 79530104 90121730 90971935 99412630 145555096 180243460 181943870 198825260 360486920 363887740 397650520 727775480 964302511 1928605022 3857210044 4821512555 7714420088 9643025110 19286050220 38572100440