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52041251620 = 2254163464941
BaseRepresentation
bin110000011101111001…
…100111101100100100
311222022211210111102201
4300131321213230210
51323040030022440
635524000344244
73521426224441
oct603571475444
9158284714381
1052041251620
1120085a25666
12a104615084
134ba492b517
1427398869c8
151548ba519a
hexc1de67b24

52041251620 has 24 divisors (see below), whose sum is σ = 111952157688. Its totient is φ = 20308780800.

The previous prime is 52041251611. The next prime is 52041251629. The reversal of 52041251620 is 2615214025.

It is an interprime number because it is at equal distance from previous prime (52041251611) and next prime (52041251629).

It can be written as a sum of positive squares in 4 ways, for example, as 8386163776 + 43655087844 = 91576^2 + 208938^2 .

It is not an unprimeable number, because it can be changed into a prime (52041251629) 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, 31731651 + ... + 31733290.

It is an arithmetic number, because the mean of its divisors is an integer number (4664673237).

Almost surely, 252041251620 is an apocalyptic number.

It is an amenable number.

52041251620 is an abundant number, since it is smaller than the sum of its proper divisors (59910906068).

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

52041251620 is a wasteful number, since it uses less digits than its factorization.

52041251620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63464991 (or 63464989 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 52041251620 its reverse (2615214025), we get a palindrome (54656465645).

The spelling of 52041251620 in words is "fifty-two billion, forty-one million, two hundred fifty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 63464941 126929882 253859764 317324705 634649410 1269298820 2602062581 5204125162 10408250324 13010312905 26020625810 52041251620