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52021343444 = 22716657111539
BaseRepresentation
bin110000011100101101…
…101011010011010100
311222021110100001112212
4300130231223103110
51323014430442234
635522005532552
73521065060220
oct603455532324
9158243301485
1052021343444
1120075768324
12a0b9a14158
134ba077ab35
142736d83780
1515470715ce
hexc1cb6b4d4

52021343444 has 24 divisors (see below), whose sum is σ = 104049865920. Its totient is φ = 22293323136.

The previous prime is 52021343431. The next prime is 52021343447. The reversal of 52021343444 is 44434312025.

52021343444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×520213434442 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52021343444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52021343447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410627 + ... + 522165.

It is an arithmetic number, because the mean of its divisors is an integer number (4335411080).

Almost surely, 252021343444 is an apocalyptic number.

It is an amenable number.

52021343444 is an abundant number, since it is smaller than the sum of its proper divisors (52028522476).

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

52021343444 is a wasteful number, since it uses less digits than its factorization.

52021343444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128207 (or 128205 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 52021343444 its reverse (44434312025), we get a palindrome (96455655469).

The spelling of 52021343444 in words is "fifty-two billion, twenty-one million, three hundred forty-three thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 16657 33314 66628 111539 116599 223078 233198 446156 466396 780773 1561546 3123092 1857905123 3715810246 7431620492 13005335861 26010671722 52021343444