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52140311210 = 25131723592901
BaseRepresentation
bin110000100011110011…
…100000001010101010
311222120202012020122102
4300203303200022222
51323240404424320
635541455453402
73524041222061
oct604363401252
9158522166572
1052140311210
1120126934599
12a131827262
134bbc302c70
142748ab11d8
151552721175
hexc23ce02aa

52140311210 has 32 divisors (see below), whose sum is σ = 107017403472. Its totient is φ = 18119347200.

The previous prime is 52140311203. The next prime is 52140311231. The reversal of 52140311210 is 1211304125.

It can be written as a sum of positive squares in 8 ways, for example, as 32223481081 + 19916830129 = 179509^2 + 141127^2 .

It is a super-2 number, since 2×521403112102 (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, 11794241 + ... + 11798660.

Almost surely, 252140311210 is an apocalyptic number.

52140311210 is an abundant number, since it is smaller than the sum of its proper divisors (54877092262).

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

52140311210 is a wasteful number, since it uses less digits than its factorization.

52140311210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23592938.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 52140311210 its reverse (1211304125), we get a palindrome (53351615335).

The spelling of 52140311210 in words is "fifty-two billion, one hundred forty million, three hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 13 17 26 34 65 85 130 170 221 442 1105 2210 23592901 47185802 117964505 235929010 306707713 401079317 613415426 802158634 1533538565 2005396585 3067077130 4010793170 5214031121 10428062242 26070155605 52140311210