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52530996221929 = 1972367912
BaseRepresentation
bin10111111000110110100110…
…10111101001011111101001
320212222220200110002001022001
423330123103113221133221
523341131440013100204
6303420223450131001
714031145025351521
oct1374332327513751
9225886613061261
1052530996221929
11158132a7983705
125a84a38420a61
1323408619b3824
14cd8729b6c681
156116b9a814a4
hex2fc6d35e97e9

52530996221929 has 9 divisors (see below), whose sum is σ = 52800439748311. Its totient is φ = 52262920844680.

The previous prime is 52530996221923. The next prime is 52530996221933. The reversal of 52530996221929 is 92912269903525.

The square root of 52530996221929 is 7247827.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 51469791320025 + 1061204901904 = 7174245^2 + 1030148^2 .

It is not a de Polignac number, because 52530996221929 - 27 = 52530996221801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52530996221923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1427803524 + ... + 1427840314.

Almost surely, 252530996221929 is an apocalyptic number.

52530996221929 is the 7247827-th square number.

52530996221929 is the 3623914-th centered octagonal number.

It is an amenable number.

52530996221929 is a deficient number, since it is larger than the sum of its proper divisors (269443526382).

52530996221929 is an frugal number, since it uses more digits than its factorization.

52530996221929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73976 (or 36988 counting only the distinct ones).

The product of its (nonzero) digits is 47239200, while the sum is 64.

The spelling of 52530996221929 in words is "fifty-two trillion, five hundred thirty billion, nine hundred ninety-six million, two hundred twenty-one thousand, nine hundred twenty-nine".

Divisors: 1 197 36791 38809 7247827 1353577681 1427821919 266654803157 52530996221929