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51101006010100 = 22521094688165689
BaseRepresentation
bin10111001111001111000010…
…10011111001011011110100
320200221012121222012122021221
423213213201103321123310
523144214330014310400
6300403251133120124
713522632365200534
oct1347474123713364
9220835558178257
1051101006010100
11153118a6768392
125893873629044
132268a5ba60ba7
14c894325454c4
155d93c3accc1a
hex2e79e14f96f4

51101006010100 has 36 divisors (see below), whose sum is σ = 111906515020300. Its totient is φ = 20252875772160.

The previous prime is 51101006010059. The next prime is 51101006010133. The reversal of 51101006010100 is 101060010115.

It can be written as a sum of positive squares in 6 ways, for example, as 5760633617424 + 45340372392676 = 2400132^2 + 6733526^2 .

It is a super-2 number, since 2×511010060101002 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2344071945 + ... + 2344093744.

Almost surely, 251101006010100 is an apocalyptic number.

51101006010100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51101006010100 is an abundant number, since it is smaller than the sum of its proper divisors (60805509010200).

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

51101006010100 is a wasteful number, since it uses less digits than its factorization.

51101006010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688165812 (or 4688165805 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 51101006010100 its reverse (101060010115), we get a palindrome (51202066020215).

The spelling of 51101006010100 in words is "fifty-one trillion, one hundred one billion, six million, ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 109 218 436 545 1090 2180 2725 5450 10900 4688165689 9376331378 18752662756 23440828445 46881656890 93763313780 117204142225 234408284450 468816568900 511010060101 1022020120202 2044040240404 2555050300505 5110100601010 10220201202020 12775251502525 25550503005050 51101006010100