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47490221282 = 2731191572903
BaseRepresentation
bin101100001110101000…
…110100010011100010
311112120200020012110112
4230032220310103202
51234224444040112
633452224131322
73300565135430
oct541650642342
9145520205415
1047490221282
111915aaa0169
129254466b42
13462aac866a
142427295d50
15137e386a22
hexb0ea344e2

47490221282 has 32 divisors (see below), whose sum is σ = 84478132224. Its totient is φ = 19593248400.

The previous prime is 47490221281. The next prime is 47490221297. The reversal of 47490221282 is 28212209474.

It is a super-2 number, since 2×474902212822 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47490221281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203558 + ... + 369345.

It is an arithmetic number, because the mean of its divisors is an integer number (2639941632).

Almost surely, 247490221282 is an apocalyptic number.

47490221282 is a deficient number, since it is larger than the sum of its proper divisors (36987910942).

47490221282 is a wasteful number, since it uses less digits than its factorization.

47490221282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573134.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 47490221282 in words is "forty-seven billion, four hundred ninety million, two hundred twenty-one thousand, two hundred eighty-two".

Divisors: 1 2 7 14 31 62 191 217 382 434 1337 2674 5921 11842 41447 82894 572903 1145806 4010321 8020642 17759993 35519986 109424473 124319951 218848946 248639902 765971311 1531942622 3392158663 6784317326 23745110641 47490221282