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47470856853 = 3723129093581
BaseRepresentation
bin101100001101011110…
…111100101010010101
311112112022210101110110
4230031132330222111
51234210014404403
633450253113233
73300241424400
oct541536745225
9145468711413
1047470856853
1119150074402
129249a88819
134626aa8614
142424894d37
15137c80e103
hexb0d7bca95

47470856853 has 48 divisors (see below), whose sum is σ = 76050731520. Its totient is φ = 26234812800.

The previous prime is 47470856833. The next prime is 47470856887. The reversal of 47470856853 is 35865807474.

It is not a de Polignac number, because 47470856853 - 210 = 47470855829 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47470856793 and 47470856802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47470856833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13254523 + ... + 13258103.

It is an arithmetic number, because the mean of its divisors is an integer number (1584390240).

Almost surely, 247470856853 is an apocalyptic number.

It is an amenable number.

47470856853 is a deficient number, since it is larger than the sum of its proper divisors (28579874667).

47470856853 is a wasteful number, since it uses less digits than its factorization.

47470856853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538 (or 6531 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 57.

The spelling of 47470856853 in words is "forty-seven billion, four hundred seventy million, eight hundred fifty-six thousand, eight hundred fifty-three".

Divisors: 1 3 7 21 31 49 93 147 217 651 1519 2909 3581 4557 8727 10743 20363 25067 61089 75201 90179 111011 142541 175469 270537 333033 427623 526407 631253 777077 1893759 2331231 4418771 5439539 10417129 13256313 16318617 31251387 72919903 218759709 322930999 510439321 968792997 1531317963 2260516993 6781550979 15823618951 47470856853