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920860949206 = 211383109288031
BaseRepresentation
bin11010110011001111001…
…01101111101011010110
310021000220101100002202201
431121213211233223112
5110041410400333311
61543012045555114
7123346535630302
oct15314745575326
93230811302681
10920860949206
11325597aa9790
1212a576575a9a
1368ab5636933
14327d9b80d02
1518e48b5d9c1
hexd66796fad6

920860949206 has 16 divisors (see below), whose sum is σ = 1510797754368. Its totient is φ = 417480274600.

The previous prime is 920860949119. The next prime is 920860949213. The reversal of 920860949206 is 602949068029.

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, 54635590 + ... + 54652441.

It is an arithmetic number, because the mean of its divisors is an integer number (94424859648).

Almost surely, 2920860949206 is an apocalyptic number.

920860949206 is a deficient number, since it is larger than the sum of its proper divisors (589936805162).

920860949206 is a wasteful number, since it uses less digits than its factorization.

920860949206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109288427.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 920860949206 in words is "nine hundred twenty billion, eight hundred sixty million, nine hundred forty-nine thousand, two hundred six".

Divisors: 1 2 11 22 383 766 4213 8426 109288031 218576062 1202168341 2404336682 41857315873 83714631746 460430474603 920860949206