Search a number
-
+
54326563278890 = 2573138964358053
BaseRepresentation
bin11000101101000111000111…
…00000011001000000101010
321010100120100121021101010012
430112203203200121000222
524110041300144411030
6311313140103451522
714304651611460440
oct1426434340310052
9233316317241105
1054326563278890
1116345847753601
126114a28156ba2
132440c857002c6
14d5b5c38c8b90
1564325a345095
hex3168e381902a

54326563278890 has 64 divisors (see below), whose sum is σ = 115659146004480. Its totient is φ = 17979065406720.

The previous prime is 54326563278857. The next prime is 54326563278913. The reversal of 54326563278890 is 9887236562345.

It is a self number, because there is not a number n which added to its sum of digits gives 54326563278890.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31334897 + ... + 33023156.

It is an arithmetic number, because the mean of its divisors is an integer number (1807174156320).

Almost surely, 254326563278890 is an apocalyptic number.

54326563278890 is an abundant number, since it is smaller than the sum of its proper divisors (61332582725590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54326563278890 is a wasteful number, since it uses less digits than its factorization.

54326563278890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64358487.

The product of its (nonzero) digits is 522547200, while the sum is 68.

The spelling of 54326563278890 in words is "fifty-four trillion, three hundred twenty-six billion, five hundred sixty-three million, two hundred seventy-eight thousand, eight hundred ninety".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 389 434 778 1085 1945 2170 2723 3890 5446 12059 13615 24118 27230 60295 84413 120590 168826 422065 844130 64358053 128716106 321790265 450506371 643580530 901012742 1995099643 2252531855 3990199286 4505063710 9975498215 13965697501 19950996430 25035282617 27931395002 50070565234 69828487505 125176413085 139656975010 175246978319 250352826170 350493956638 776093761127 876234891595 1552187522254 1752469783190 3880468805635 5432656327889 7760937611270 10865312655778 27163281639445 54326563278890