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47198850666 = 231122313192143
BaseRepresentation
bin101011111101010001…
…010100111001101010
311111211100222001010020
4223331101110321222
51233130401210131
633403255101310
73260426416422
oct537521247152
9144740861106
1047198850666
1119020580100
129192971836
1345b262c606
1423da6cb482
1513639ce996
hexafd454e6a

47198850666 has 96 divisors (see below), whose sum is σ = 108403384320. Its totient is φ = 13664075040.

The previous prime is 47198850661. The next prime is 47198850667. The reversal of 47198850666 is 66605889174.

It is not an unprimeable number, because it can be changed into a prime (47198850661) 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, 22023591 + ... + 22025733.

It is an arithmetic number, because the mean of its divisors is an integer number (1129201920).

Almost surely, 247198850666 is an apocalyptic number.

47198850666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 47198850666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54201692160).

47198850666 is an abundant number, since it is smaller than the sum of its proper divisors (61204533654).

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

47198850666 is a wasteful number, since it uses less digits than its factorization.

47198850666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512 (or 3501 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 47198850666 in words is "forty-seven billion, one hundred ninety-eight million, eight hundred fifty thousand, six hundred sixty-six".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 121 138 242 253 363 506 726 759 1319 1518 2143 2638 2783 3957 4286 5566 6429 7914 8349 12858 14509 16698 23573 29018 30337 43527 47146 49289 60674 70719 87054 91011 98578 141438 147867 159599 182022 259303 295734 319198 333707 478797 518606 542179 667414 777909 957594 1001121 1084358 1555818 1626537 2002242 2826617 3253074 3670777 5653234 5963969 7341554 8479851 11012331 11927938 16959702 17891907 22024662 31092787 35783814 62185574 65012191 93278361 130024382 186556722 195036573 342020657 390073146 684041314 715134101 1026061971 1430268202 2052123942 2145402303 4290804606 7866475111 15732950222 23599425333 47198850666