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51105050501010 = 23511154863789397
BaseRepresentation
bin10111001111010110100100…
…11000011001111110010010
320200221121001211122001210120
423213223102120121332102
523144301120412013020
6300405200332411110
713523134535615322
oct1347532230317622
9220847054561716
1051105050501010
111531359177a260
125894602016a96
13226925495c28c
14c896d775b282
155d955dbe0740
hex2e7ad2619f92

51105050501010 has 32 divisors (see below), whose sum is σ = 133802314039872. Its totient is φ = 12389103151680.

The previous prime is 51105050500979. The next prime is 51105050501077. The reversal of 51105050501010 is 1010505050115.

It is a super-2 number, since 2×511050505010102 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77431894369 + ... + 77431895028.

It is an arithmetic number, because the mean of its divisors is an integer number (4181322313746).

Almost surely, 251105050501010 is an apocalyptic number.

51105050501010 is an abundant number, since it is smaller than the sum of its proper divisors (82697263538862).

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

51105050501010 is a wasteful number, since it uses less digits than its factorization.

51105050501010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154863789418.

The product of its (nonzero) digits is 625, while the sum is 24.

Adding to 51105050501010 its reverse (1010505050115), we get a palindrome (52115555551125).

The spelling of 51105050501010 in words is "fifty-one trillion, one hundred five billion, fifty million, five hundred one thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 154863789397 309727578794 464591368191 774318946985 929182736382 1548637893970 1703501683367 2322956840955 3407003366734 4645913681910 5110505050101 8517508416835 10221010100202 17035016833670 25552525250505 51105050501010