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47867428693 = 7313735316889
BaseRepresentation
bin101100100101000111…
…101111111101010101
311120112222000022202101
4230211013233331111
51241013030204233
633553501042101
73313125300460
oct544507577525
9146488008671
1047867428693
1119333a08727
12933a856331
13468acb9706
1424614062d7
1513a2546c7d
hexb251eff55

47867428693 has 32 divisors (see below), whose sum is σ = 58164295680. Its totient is φ = 38520852480.

The previous prime is 47867428657. The next prime is 47867428703. The reversal of 47867428693 is 39682476874.

It is a cyclic number.

It is not a de Polignac number, because 47867428693 - 225 = 47833874261 is a prime.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47867428633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2825793 + ... + 2842681.

It is an arithmetic number, because the mean of its divisors is an integer number (1817634240).

Almost surely, 247867428693 is an apocalyptic number.

It is an amenable number.

47867428693 is a deficient number, since it is larger than the sum of its proper divisors (10296866987).

47867428693 is a wasteful number, since it uses less digits than its factorization.

47867428693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17317.

The product of its digits is 97542144, while the sum is 64.

The spelling of 47867428693 in words is "forty-seven billion, eight hundred sixty-seven million, four hundred twenty-eight thousand, six hundred ninety-three".

Divisors: 1 7 31 37 217 259 353 1147 2471 8029 10943 13061 16889 76601 91427 118223 404891 523559 624893 2834237 3664913 4374251 5961817 19371683 41732719 135601781 184816327 220587229 1293714289 1544110603 6838204099 47867428693