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47222312122 = 21737199718797
BaseRepresentation
bin101011111110101010…
…110100110010111010
311111220000010000012001
4223332222310302322
51233202402441442
633405454011214
73261133013236
oct537652646272
9144800100161
1047222312122
1119032845037
12919a7a6b0a
1345b745542b
1423dd8775c6
151365ab62b7
hexafeab4cba

47222312122 has 32 divisors (see below), whose sum is σ = 77069845008. Its totient is φ = 21609686016.

The previous prime is 47222312107. The next prime is 47222312147. The reversal of 47222312122 is 22121322274.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 34570336761 + 12651975361 = 185931^2 + 112481^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2502828 + ... + 2521624.

Almost surely, 247222312122 is an apocalyptic number.

47222312122 is a deficient number, since it is larger than the sum of its proper divisors (29847532886).

47222312122 is a wasteful number, since it uses less digits than its factorization.

47222312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20850.

The product of its digits is 5376, while the sum is 28.

Adding to 47222312122 its reverse (22121322274), we get a palindrome (69343634396).

The spelling of 47222312122 in words is "forty-seven billion, two hundred twenty-two million, three hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 17 34 37 74 629 1258 1997 3994 18797 33949 37594 67898 73889 147778 319549 639098 695489 1256113 1390978 2512226 11823313 23646626 37537609 75075218 638139353 1276278706 1388891533 2777783066 23611156061 47222312122