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53770146365 = 51331310132609
BaseRepresentation
bin110010000100111100…
…110101001000111101
312010210100000110011102
4302010330311020331
51340110124140430
640411320502445
73612321463055
oct620474651075
9163710013142
1053770146365
11208929338a1
12a50761aa25
1350bbb83970
142861330565
1515ea865345
hexc84f3523d

53770146365 has 32 divisors (see below), whose sum is σ = 69805139040. Its totient is φ = 39526096896.

The previous prime is 53770146361. The next prime is 53770146371. The reversal of 53770146365 is 56364107735.

53770146365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 52065199684 + 1704946681 = 228178^2 + 41291^2 .

It is not a de Polignac number, because 53770146365 - 22 = 53770146361 is a prime.

It is a super-2 number, since 2×537701463652 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53770146361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20608181 + ... + 20610789.

It is an arithmetic number, because the mean of its divisors is an integer number (2181410595).

Almost surely, 253770146365 is an apocalyptic number.

It is an amenable number.

53770146365 is a deficient number, since it is larger than the sum of its proper divisors (16034992675).

53770146365 is a wasteful number, since it uses less digits than its factorization.

53770146365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953.

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 53770146365 in words is "fifty-three billion, seven hundred seventy million, one hundred forty-six thousand, three hundred sixty-five".

Divisors: 1 5 13 65 313 1013 1565 2609 4069 5065 13045 13169 20345 33917 65845 169585 317069 816617 1585345 2642917 4083085 4121897 10616021 13214585 20609485 34357921 53080105 171789605 827233021 4136165105 10754029273 53770146365