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51122515640350 = 25271113278575491
BaseRepresentation
bin10111001111110111000110…
…11000101000000000011110
320201000021011000101001221011
423213323203120220000132
523200042403000442400
6300421205351125434
713524323411062030
oct1347734330500036
9221007130331834
1051122515640350
111531aa34354a10
125897a7707387a
13226aaa912025b
14c8a4b3119c50
155d9c321468ba
hex2e7ee362801e

51122515640350 has 48 divisors (see below), whose sum is σ = 118551121992576. Its totient is φ = 15934290588000.

The previous prime is 51122515640327. The next prime is 51122515640431. The reversal of 51122515640350 is 5304651522115.

51122515640350 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×511225156403502 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6639283896 + ... + 6639291595.

It is an arithmetic number, because the mean of its divisors is an integer number (2469815041512).

Almost surely, 251122515640350 is an apocalyptic number.

51122515640350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51122515640350 is an abundant number, since it is smaller than the sum of its proper divisors (67428606352226).

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

51122515640350 is a wasteful number, since it uses less digits than its factorization.

51122515640350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13278575521 (or 13278575516 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 51122515640350 in words is "fifty-one trillion, one hundred twenty-two billion, five hundred fifteen million, six hundred forty thousand, three hundred fifty".

Divisors: 1 2 5 7 10 11 14 22 25 35 50 55 70 77 110 154 175 275 350 385 550 770 1925 3850 13278575491 26557150982 66392877455 92950028437 132785754910 146064330401 185900056874 292128660802 331964387275 464750142185 663928774550 730321652005 929500284370 1022450312807 1460643304010 2044900625614 2323750710925 3651608260025 4647501421850 5112251564035 7303216520050 10224503128070 25561257820175 51122515640350