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76071217220 = 22514197267913
BaseRepresentation
bin100011011011000110…
…0101010100001000100
321021100112102020012122
41012312030222201010
52221243212422340
654540250105112
75332054451255
oct1066614524104
9237315366178
1076071217220
112a297245469
12128b011b198
1372341b9c8b
143979082b2c
151ea3614db5
hex11b632a844

76071217220 has 24 divisors (see below), whose sum is σ = 159761404824. Its totient is φ = 30426230016.

The previous prime is 76071217217. The next prime is 76071217231. The reversal of 76071217220 is 2271217067.

It can be written as a sum of positive squares in 4 ways, for example, as 12075372544 + 63995844676 = 109888^2 + 252974^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149984 + ... + 417896.

It is an arithmetic number, because the mean of its divisors is an integer number (6656725201).

Almost surely, 276071217220 is an apocalyptic number.

It is an amenable number.

76071217220 is an abundant number, since it is smaller than the sum of its proper divisors (83690187604).

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

76071217220 is a wasteful number, since it uses less digits than its factorization.

76071217220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282119 (or 282117 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 35.

The spelling of 76071217220 in words is "seventy-six billion, seventy-one million, two hundred seventeen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 14197 28394 56788 70985 141970 267913 283940 535826 1071652 1339565 2679130 5358260 3803560861 7607121722 15214243444 19017804305 38035608610 76071217220