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84472031493 = 3317184034927
BaseRepresentation
bin100111010101011101…
…1001110100100000101
322002001000000210221000
41032222323032210011
52340444320001433
6102450024443513
76050203264203
oct1165273164405
9262030023830
1084472031493
1132908294583
1214455619599
137c727981b5
144134a84073
1522e5dd5113
hex13aaece905

84472031493 has 16 divisors (see below), whose sum is σ = 132505148160. Its totient is φ = 53002058688.

The previous prime is 84472031489. The next prime is 84472031513. The reversal of 84472031493 is 39413027448.

84472031493 is a `hidden beast` number, since 84 + 472 + 0 + 3 + 14 + 93 = 666.

It is not a de Polignac number, because 84472031493 - 22 = 84472031489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84472031453) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 92017005 + ... + 92017922.

It is an arithmetic number, because the mean of its divisors is an integer number (8281571760).

Almost surely, 284472031493 is an apocalyptic number.

It is an amenable number.

84472031493 is a deficient number, since it is larger than the sum of its proper divisors (48033116667).

84472031493 is a wasteful number, since it uses less digits than its factorization.

84472031493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184034953 (or 184034947 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 84472031493 in words is "eighty-four billion, four hundred seventy-two million, thirty-one thousand, four hundred ninety-three".

Divisors: 1 3 9 17 27 51 153 459 184034927 552104781 1656314343 3128593759 4968943029 9385781277 28157343831 84472031493