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52070757172 = 227172326917681
BaseRepresentation
bin110000011111101010…
…001011001100110100
311222101220022112102221
4300133222023030310
51323120103212142
635530533012124
73522235063450
oct603752131464
9158356275387
1052070757172
11200a0648615
12a112484044
134baaa8c425
14273d767660
15154b582767
hexc1fa8b334

52070757172 has 96 divisors (see below), whose sum is σ = 115495994880. Its totient is φ = 20014325760.

The previous prime is 52070757127. The next prime is 52070757187. The reversal of 52070757172 is 27175707025.

52070757172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×520707571722 (a number of 22 digits) contains 22 as substring.

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, 2936172 + ... + 2953852.

It is an arithmetic number, because the mean of its divisors is an integer number (1203083280).

Almost surely, 252070757172 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 52070757172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57747997440).

52070757172 is an abundant number, since it is smaller than the sum of its proper divisors (63425237708).

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

52070757172 is a wasteful number, since it uses less digits than its factorization.

52070757172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18001 (or 17999 counting only the distinct ones).

The product of its (nonzero) digits is 240100, while the sum is 43.

The spelling of 52070757172 in words is "fifty-two billion, seventy million, seven hundred fifty-seven thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 17 23 28 34 46 68 92 119 161 238 269 322 391 476 538 644 782 1076 1564 1883 2737 3766 4573 5474 6187 7532 9146 10948 12374 17681 18292 24748 32011 35362 43309 64022 70724 86618 105179 123767 128044 173236 210358 247534 300577 406663 420716 495068 601154 736253 813326 1202308 1472506 1626652 2104039 2846641 2945012 4208078 4756189 5693282 6913271 8416156 9512378 11386564 13826542 19024756 27653084 33293323 48392897 66586646 80855213 96785794 109392347 133173292 161710426 193571588 218784694 323420852 437569388 565986491 765746429 1131972982 1531492858 1859669899 2263945964 3062985716 3719339798 7438679596 13017689293 26035378586 52070757172