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51011000110 = 2572331683851
BaseRepresentation
bin101111100000011111…
…100001011100101110
311212200001012022001101
4233200133201130232
51313432304000420
635233434433314
73454046226640
oct574037413456
9155601168041
1051011000110
111a6a741a434
129a7759283a
134a6c35ba45
14267cb02890
1514d84ea60a
hexbe07e172e

51011000110 has 32 divisors (see below), whose sum is σ = 109499392512. Its totient is φ = 16729072800.

The previous prime is 51011000081. The next prime is 51011000119. The reversal of 51011000110 is 1100011015.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51011000119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15840316 + ... + 15843535.

It is an arithmetic number, because the mean of its divisors is an integer number (3421856016).

Almost surely, 251011000110 is an apocalyptic number.

51011000110 is an abundant number, since it is smaller than the sum of its proper divisors (58488392402).

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

51011000110 is a wasteful number, since it uses less digits than its factorization.

51011000110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31683888.

The product of its (nonzero) digits is 5, while the sum is 10.

Adding to 51011000110 its reverse (1100011015), we get a palindrome (52111011125).

The spelling of 51011000110 in words is "fifty-one billion, eleven million, one hundred ten", and thus it is an aban number.

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 31683851 63367702 158419255 221786957 316838510 443573914 728728573 1108934785 1457457146 2217869570 3643642865 5101100011 7287285730 10202200022 25505500055 51011000110