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47551179428 = 2211887794857
BaseRepresentation
bin101100010010010001…
…010110101010100100
311112201220221012022122
4230102101112222210
51234341100220203
633502242445112
73302235233114
oct542221265244
9145656835278
1047551179428
11191914459a5
129270963798
13463a61c77c
142431403044
1513848c8538
hexb12456aa4

47551179428 has 6 divisors (see below), whose sum is σ = 83214564006. Its totient is φ = 23775589712.

The previous prime is 47551179371. The next prime is 47551179439. The reversal of 47551179428 is 82497115574.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33750098944 + 13801080484 = 183712^2 + 117478^2 .

It is a super-2 number, since 2×475511794282 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47551179428.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5943897425 + ... + 5943897432.

It is an arithmetic number, because the mean of its divisors is an integer number (13869094001).

Almost surely, 247551179428 is an apocalyptic number.

It is an amenable number.

47551179428 is a deficient number, since it is larger than the sum of its proper divisors (35663384578).

47551179428 is a wasteful number, since it uses less digits than its factorization.

47551179428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11887794861 (or 11887794859 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 53.

The spelling of 47551179428 in words is "forty-seven billion, five hundred fifty-one million, one hundred seventy-nine thousand, four hundred twenty-eight".

Divisors: 1 2 4 11887794857 23775589714 47551179428