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47061791028 = 22327186753139
BaseRepresentation
bin101011110101000110…
…011111000100110100
311111110211001200122100
4223311012133010310
51232340304303103
633341521302100
73254143423560
oct536506370464
9144424050570
1047061791028
1118a6017717a
129154a94930
134590111735
1423c64106a0
1513569595a3
hexaf519f134

47061791028 has 36 divisors (see below), whose sum is σ = 135956285920. Its totient is φ = 13446225936.

The previous prime is 47061791009. The next prime is 47061791039. The reversal of 47061791028 is 82019716074.

It is a happy number.

47061791028 is a `hidden beast` number, since 4 + 7 + 0 + 617 + 9 + 1 + 0 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93376318 + ... + 93376821.

Almost surely, 247061791028 is an apocalyptic number.

It is an amenable number.

47061791028 is an abundant number, since it is smaller than the sum of its proper divisors (88894494892).

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

47061791028 is a wasteful number, since it uses less digits than its factorization.

47061791028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186753156 (or 186753151 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 47061791028 in words is "forty-seven billion, sixty-one million, seven hundred ninety-one thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 186753139 373506278 560259417 747012556 1120518834 1307271973 1680778251 2241037668 2614543946 3361556502 3921815919 5229087892 6723113004 7843631838 11765447757 15687263676 23530895514 47061791028