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1906333680238 = 213131559698673
BaseRepresentation
bin11011101111011010010…
…101111000001001101110
320202020120200010210121221
4123233122111320021232
5222213132410231423
64015431350413554
7254504503631431
oct33573225701156
96666520123557
101906333680238
11675520734469
122695633612ba
1310a9c6cb1620
14683a4a9b818
15348c4d3de5d
hex1bbda57826e

1906333680238 has 16 divisors (see below), whose sum is σ = 3102969448656. Its totient is φ = 873129928320.

The previous prime is 1906333680221. The next prime is 1906333680247. The reversal of 1906333680238 is 8320863336091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279845931 + ... + 279852742.

It is an arithmetic number, because the mean of its divisors is an integer number (193935590541).

Almost surely, 21906333680238 is an apocalyptic number.

1906333680238 is a deficient number, since it is larger than the sum of its proper divisors (1196635768418).

1906333680238 is a wasteful number, since it uses less digits than its factorization.

1906333680238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559698819.

The product of its (nonzero) digits is 3359232, while the sum is 52.

The spelling of 1906333680238 in words is "one trillion, nine hundred six billion, three hundred thirty-three million, six hundred eighty thousand, two hundred thirty-eight".

Divisors: 1 2 13 26 131 262 1703 3406 559698673 1119397346 7276082749 14552165498 73320526163 146641052326 953166840119 1906333680238