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207523993068 = 223272213755051
BaseRepresentation
bin1100000101000101100…
…1001101010111101100
3201211122201000010122100
43001101121031113230
511400002120234233
6235200223215100
720664431556600
oct3012131152754
9654581003570
10207523993068
118001297a597
1234277447490
131675305ac92
14a08947b500
1555e8c95813
hex305164d5ec

207523993068 has 108 divisors (see below), whose sum is σ = 610515999912. Its totient is φ = 59263747200.

The previous prime is 207523993049. The next prime is 207523993093. The reversal of 207523993068 is 860399325702.

It is a happy number.

207523993068 is a `hidden beast` number, since 20 + 7 + 523 + 9 + 9 + 30 + 68 = 666.

It is a super-3 number, since 3×2075239930683 (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3742143 + ... + 3797193.

Almost surely, 2207523993068 is an apocalyptic number.

207523993068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 207523993068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305257999956).

207523993068 is an abundant number, since it is smaller than the sum of its proper divisors (402992006844).

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

207523993068 is a wasteful number, since it uses less digits than its factorization.

207523993068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57212 (or 57200 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 207523993068 in words is "two hundred seven billion, five hundred twenty-three million, nine hundred ninety-three thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 2137 4274 6411 8548 12822 14959 19233 25644 29918 38466 44877 55051 59836 76932 89754 104713 110102 134631 165153 179508 209426 220204 269262 314139 330306 385357 418852 495459 538524 628278 660612 770714 942417 990918 1156071 1256556 1541428 1884834 1981836 2312142 2697499 3468213 3769668 4624284 5394998 6936426 8092497 10789996 13872852 16184994 24277491 32369988 48554982 97109964 117643987 235287974 352931961 470575948 705863922 823507909 1058795883 1411727844 1647015818 2117591766 2470523727 3294031636 4235183532 4941047454 5764555363 7411571181 9882094908 11529110726 14823142362 17293666089 23058221452 29646284724 34587332178 51880998267 69174664356 103761996534 207523993068