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38216058790 = 25713315922961
BaseRepresentation
bin100011100101110110…
…101100011110100110
310122122100020221012211
4203211312230132212
51111231302340130
625320050434034
72522013066010
oct434566543646
9118570227184
1038216058790
1115230a72668
1274a659291a
1337b05c5a50
141bc76b51b0
15eda0a1a2a
hex8e5dac7a6

38216058790 has 128 divisors (see below), whose sum is σ = 88879472640. Its totient is φ = 11505715200.

The previous prime is 38216058781. The next prime is 38216058817. The reversal of 38216058790 is 9785061283.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1652910 + ... + 1675870.

It is an arithmetic number, because the mean of its divisors is an integer number (694370880).

Almost surely, 238216058790 is an apocalyptic number.

38216058790 is an abundant number, since it is smaller than the sum of its proper divisors (50663413850).

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

38216058790 is a wasteful number, since it uses less digits than its factorization.

38216058790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23078.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 38216058790 in words is "thirty-eight billion, two hundred sixteen million, fifty-eight thousand, seven hundred ninety".

Divisors: 1 2 5 7 10 13 14 26 31 35 59 62 65 70 91 118 130 155 182 217 295 310 403 413 434 455 590 767 806 826 910 1085 1534 1829 2015 2065 2170 2821 3658 3835 4030 4130 5369 5642 7670 9145 10738 12803 14105 18290 22961 23777 25606 26845 28210 45922 47554 53690 64015 114805 118885 128030 160727 166439 229610 237770 298493 321454 332878 596986 711791 803635 832195 1354699 1423582 1492465 1607270 1664390 2089451 2709398 2984930 3558955 4178902 4982537 6773495 7117910 9253283 9482893 9965074 10447255 13546990 17611087 18506566 18965786 20894510 24912685 35222174 41995669 46266415 47414465 49825370 64772981 83991338 88055435 92532830 94828930 123277609 129545962 176110870 209978345 246555218 293969683 323864905 419956690 545943697 587939366 616388045 647729810 1091887394 1232776090 1469848415 2729718485 2939696830 3821605879 5459436970 7643211758 19108029395 38216058790