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47448272146 = 2117187300089
BaseRepresentation
bin101100001100001000…
…110010110100010010
311112110202021222001211
4230030020302310102
51234133224202041
633444125050334
73266545441642
oct541410626422
9145422258054
1047448272146
1119139349160
1292423b69aa
1346221cb8a2
142421896522
15137a84c481
hexb0c232d12

47448272146 has 16 divisors (see below), whose sum is σ = 77653689120. Its totient is φ = 21564323680.

The previous prime is 47448272129. The next prime is 47448272153. The reversal of 47448272146 is 64127284474.

It is a self number, because there is not a number n which added to its sum of digits gives 47448272146.

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, 8070 + ... + 308158.

It is an arithmetic number, because the mean of its divisors is an integer number (4853355570).

Almost surely, 247448272146 is an apocalyptic number.

47448272146 is a deficient number, since it is larger than the sum of its proper divisors (30205416974).

47448272146 is a wasteful number, since it uses less digits than its factorization.

47448272146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307289.

The product of its digits is 2408448, while the sum is 49.

The spelling of 47448272146 in words is "forty-seven billion, four hundred forty-eight million, two hundred seventy-two thousand, one hundred forty-six".

Divisors: 1 2 11 22 7187 14374 79057 158114 300089 600178 3300979 6601958 2156739643 4313479286 23724136073 47448272146