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139790001728 = 26131982110771
BaseRepresentation
bin1000001000110000100…
…0100010011001000000
3111100211012112212021102
42002030020202121000
54242242220023403
6144115120513532
713046061260306
oct2021410423100
9440735485242
10139790001728
11543148a2353
122311347b8a8
131024a216b70
146aa17a6276
15398258eb88
hex208c222640

139790001728 has 112 divisors (see below), whose sum is σ = 314869007040. Its totient is φ = 61042636800.

The previous prime is 139790001727. The next prime is 139790001731. The reversal of 139790001728 is 827100097931.

It is a super-2 number, since 2×1397900017282 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139790001721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12972983 + ... + 12983753.

It is an arithmetic number, because the mean of its divisors is an integer number (2811330420).

Almost surely, 2139790001728 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 139790001728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157434503520).

139790001728 is an abundant number, since it is smaller than the sum of its proper divisors (175079005312).

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

139790001728 is a wasteful number, since it uses less digits than its factorization.

139790001728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11636 (or 11626 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 47.

The spelling of 139790001728 in words is "one hundred thirty-nine billion, seven hundred ninety million, one thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 13 16 19 26 32 38 52 64 76 104 152 208 247 304 416 494 608 821 832 988 1216 1642 1976 3284 3952 6568 7904 10673 10771 13136 15599 15808 21346 21542 26272 31198 42692 43084 52544 62396 85384 86168 124792 140023 170768 172336 202787 204649 249584 280046 341536 344672 405574 409298 499168 560092 683072 689344 811148 818596 998336 1120184 1622296 1637192 2240368 2660437 3244592 3274384 4480736 5320874 6489184 6548768 8842991 8961472 10641748 12978368 13097536 17685982 21283496 35371964 42566992 70743928 85133984 114958883 141487856 168016829 170267968 229917766 282975712 336033658 459835532 565951424 672067316 919671064 1344134632 1839342128 2184218777 2688269264 3678684256 4368437554 5376538528 7357368512 8736875108 10753077056 17473750216 34947500432 69895000864 139790001728