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104784142057 = 7471316313853
BaseRepresentation
bin110000110010110011…
…1110001111011101001
3101000110120211221101021
41201211213301323221
53204044220021212
6120045343452441
710366435340350
oct1414547617351
9330416757337
10104784142057
1140490a09911
1218383bb7121
139b5ba2102a
1451005b2997
152ad4253307
hex18659f1ee9

104784142057 has 32 divisors (see below), whose sum is σ = 123462180864. Its totient is φ = 87072148800.

The previous prime is 104784142031. The next prime is 104784142063. The reversal of 104784142057 is 750241487401.

It is a de Polignac number, because none of the positive numbers 2k-104784142057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104784142007) 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, 27193543 + ... + 27197395.

It is an arithmetic number, because the mean of its divisors is an integer number (3858193152).

Almost surely, 2104784142057 is an apocalyptic number.

It is an amenable number.

104784142057 is a deficient number, since it is larger than the sum of its proper divisors (18678038807).

104784142057 is a wasteful number, since it uses less digits than its factorization.

104784142057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4669.

The product of its (nonzero) digits is 250880, while the sum is 43.

The spelling of 104784142057 in words is "one hundred four billion, seven hundred eighty-four million, one hundred forty-two thousand, fifty-seven".

Divisors: 1 7 47 131 329 631 917 3853 4417 6157 26971 29657 43099 82661 181091 207599 504743 578627 1267637 2431243 3533201 3885067 17018701 23722921 27195469 114268421 166060447 318492833 799878947 2229449831 14969163151 104784142057