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60020139690 = 2325731944287
BaseRepresentation
bin110111111001011110…
…101010011010101010
312201220220111000012200
4313321132222122222
51440410123432230
643323423521030
74223232525000
oct677136523252
9181826430180
1060020139690
11234aa893335
12b770759176
13587698c074
142c95416a70
1518643d0160
hexdf97aa6aa

60020139690 has 96 divisors (see below), whose sum is σ = 181985356800. Its totient is φ = 13718882016.

The previous prime is 60020139671. The next prime is 60020139691. The reversal of 60020139690 is 9693102006.

60020139690 is a `hidden beast` number, since 60 + 0 + 201 + 396 + 9 + 0 = 666.

It is a super-2 number, since 2×600201396902 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60020139691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 941274 + ... + 1003013.

It is an arithmetic number, because the mean of its divisors is an integer number (1895680800).

Almost surely, 260020139690 is an apocalyptic number.

60020139690 is an abundant number, since it is smaller than the sum of its proper divisors (121965217110).

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

60020139690 is a wasteful number, since it uses less digits than its factorization.

60020139690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944321 (or 1944304 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 60020139690 in words is "sixty billion, twenty million, one hundred thirty-nine thousand, six hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 147 210 245 294 315 343 441 490 630 686 735 882 1029 1470 1715 2058 2205 3087 3430 4410 5145 6174 10290 15435 30870 1944287 3888574 5832861 9721435 11665722 13610009 17498583 19442870 27220018 29164305 34997166 40830027 58328610 68050045 81660054 87492915 95270063 122490081 136100090 174985830 190540126 204150135 244980162 285810189 408300270 476350315 571620378 612450405 666890441 857430567 952700630 1224900810 1333780882 1429050945 1714861134 2000671323 2858101890 3334452205 4001342646 4287152835 6002013969 6668904410 8574305670 10003356615 12004027938 20006713230 30010069845 60020139690