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106286128767 = 32713294475017
BaseRepresentation
bin110001011111100100…
…1011001111001111111
3101011100021002202210200
41202333021121321333
53220133222110032
6120454400334543
710451604121350
oct1427711317177
9334307082720
10106286128767
1141091826745
1218723014453
13a03ac5a670
145203c71d27
152b7104147c
hex18bf259e7f

106286128767 has 48 divisors (see below), whose sum is σ = 195468786240. Its totient is φ = 54129793536.

The previous prime is 106286128703. The next prime is 106286128787. The reversal of 106286128767 is 767821682601.

106286128767 is a `hidden beast` number, since 1 + 0 + 628 + 6 + 1 + 2 + 8 + 7 + 6 + 7 = 666.

It is not a de Polignac number, because 106286128767 - 26 = 106286128703 is a prime.

It is a super-2 number, since 2×1062861287672 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106286128787) 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, 2213758 + ... + 2261259.

It is an arithmetic number, because the mean of its divisors is an integer number (4072266380).

Almost surely, 2106286128767 is an apocalyptic number.

106286128767 is a deficient number, since it is larger than the sum of its proper divisors (89182657473).

106286128767 is a wasteful number, since it uses less digits than its factorization.

106286128767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475072 (or 4475069 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 106286128767 in words is "one hundred six billion, two hundred eighty-six million, one hundred twenty-eight thousand, seven hundred sixty-seven".

Divisors: 1 3 7 9 13 21 29 39 63 87 91 117 203 261 273 377 609 819 1131 1827 2639 3393 7917 23751 4475017 13425051 31325119 40275153 58175221 93975357 129775493 174525663 281926071 389326479 407226547 523576989 908428451 1167979437 1221679641 1687081409 2725285353 3665038923 5061244227 8175856059 11809569863 15183732681 35428709589 106286128767