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51122444101 = 531471655727
BaseRepresentation
bin101111100111001000…
…101001011101000101
311212221210220020110121
4233213020221131011
51314144321202401
635252455221541
73456601414351
oct574710513505
9155853806417
1051122444101
111a754317a03
129aa89778b1
134a8947b431
14268d832461
1514e31b0ca1
hexbe7229745

51122444101 has 8 divisors (see below), whose sum is σ = 52122507264. Its totient is φ = 50123695440.

The previous prime is 51122444099. The next prime is 51122444117. The reversal of 51122444101 is 10144422115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51122444101 - 21 = 51122444099 is a prime.

It is a super-2 number, since 2×511224441012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51122444161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249901 + ... + 405826.

It is an arithmetic number, because the mean of its divisors is an integer number (6515313408).

Almost surely, 251122444101 is an apocalyptic number.

It is an amenable number.

51122444101 is a deficient number, since it is larger than the sum of its proper divisors (1000063163).

51122444101 is a wasteful number, since it uses less digits than its factorization.

51122444101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657251.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 51122444101 its reverse (10144422115), we get a palindrome (61266866216).

The spelling of 51122444101 in words is "fifty-one billion, one hundred twenty-two million, four hundred forty-four thousand, one hundred one".

Divisors: 1 53 1471 77963 655727 34753531 964574417 51122444101