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47485640170068 = 2238887445272497
BaseRepresentation
bin10101100110000000111001…
…01101101101101001010100
320020010120201220112202111020
422303000130231231221110
522211001042340420233
6244554334004041140
713000503300460122
oct1263003455555124
9206116656482436
1047485640170068
1114148601a23071
1253ab0509931b0
132065b52016769
14ba2462752912
1557532553e9b3
hex2b301cb6da54

47485640170068 has 24 divisors (see below), whose sum is σ = 110812294942272. Its totient is φ = 15826765597824.

The previous prime is 47485640170061. The next prime is 47485640170081. The reversal of 47485640170068 is 86007104658474.

It is a super-2 number, since 2×474856401700682 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47485640169993 and 47485640170020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47485640170061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222529605 + ... + 222742892.

It is an arithmetic number, because the mean of its divisors is an integer number (4617178955928).

Almost surely, 247485640170068 is an apocalyptic number.

It is an amenable number.

47485640170068 is an abundant number, since it is smaller than the sum of its proper divisors (63326654772204).

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

47485640170068 is a wasteful number, since it uses less digits than its factorization.

47485640170068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445281391 (or 445281389 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 47485640170068 in words is "forty-seven trillion, four hundred eighty-five billion, six hundred forty million, one hundred seventy thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 8887 17774 26661 35548 53322 106644 445272497 890544994 1335817491 1781089988 2671634982 5343269964 3957136680839 7914273361678 11871410042517 15828546723356 23742820085034 47485640170068