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152220652322 = 22758812
BaseRepresentation
bin1000110111000100001…
…1101101001100100010
3112112220112000100011212
42031301003231030202
54443221441333242
6153532412510122
713666112124164
oct2156103551442
9475815010155
10152220652322
1159613654102
122560247b342
131147b66210b
147520686934
153e5da2a782
hex23710ed322

152220652322 has 6 divisors (see below), whose sum is σ = 228331806129. Its totient is φ = 76110050280.

The previous prime is 152220652321. The next prime is 152220652343. The reversal of 152220652322 is 223256022251.

It can be written as a sum of positive squares in 2 ways, for example, as 85362724561 + 66857927761 = 292169^2 + 258569^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=275881.

It is a super-2 number, since 2×1522206523222 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152220652321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 413822 + ... + 689702.

Almost surely, 2152220652322 is an apocalyptic number.

152220652322 is a deficient number, since it is larger than the sum of its proper divisors (76111153807).

152220652322 is an frugal number, since it uses more digits than its factorization.

152220652322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551764 (or 275883 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Multiplying 152220652322 by its sum of digits (32), we get a square (4871060874304 = 22070482).

Adding to 152220652322 its reverse (223256022251), we get a palindrome (375476674573).

The spelling of 152220652322 in words is "one hundred fifty-two billion, two hundred twenty million, six hundred fifty-two thousand, three hundred twenty-two".

Divisors: 1 2 275881 551762 76110326161 152220652322