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51102444234 = 2397397221171
BaseRepresentation
bin101111100101111100…
…010110101011001010
311212220102021010210210
4233211330112223022
51314124211203414
635250502421550
73456236415612
oct574574265312
9155812233723
1051102444234
111a743aa7796
129aa21318b6
134a852980aa
14268ad07a42
1514e155ee59
hexbe5f16aca

51102444234 has 32 divisors (see below), whose sum is σ = 103519112256. Its totient is φ = 16815997440.

The previous prime is 51102444199. The next prime is 51102444299. The reversal of 51102444234 is 43244420115.

It is a super-2 number, since 2×511024442342 (a number of 22 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, 120469 + ... + 341639.

It is an arithmetic number, because the mean of its divisors is an integer number (3234972258).

Almost surely, 251102444234 is an apocalyptic number.

51102444234 is an abundant number, since it is smaller than the sum of its proper divisors (52416668022).

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

51102444234 is a wasteful number, since it uses less digits than its factorization.

51102444234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221670.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 51102444234 its reverse (43244420115), we get a palindrome (94346864349).

The spelling of 51102444234 in words is "fifty-one billion, one hundred two million, four hundred forty-four thousand, two hundred thirty-four".

Divisors: 1 2 3 6 97 194 291 397 582 794 1191 2382 38509 77018 115527 221171 231054 442342 663513 1327026 21453587 42907174 64360761 87804887 128721522 175609774 263414661 526829322 8517074039 17034148078 25551222117 51102444234