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531352051211 = 1669318365519
BaseRepresentation
bin1111011101101110000…
…11001101111000001011
31212210111211121221012102
413232313003031320023
532201202111114321
61044033314304015
753250253625432
oct7566703157013
91783454557172
10531352051211
11195388420623
1286b9088800b
133b14c673a77
141ba0905c119
15dc4d2cec0b
hex7bb70cde0b

531352051211 has 4 divisors (see below), whose sum is σ = 531670418400. Its totient is φ = 531033684024.

The previous prime is 531352051163. The next prime is 531352051259. The reversal of 531352051211 is 112150253135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112150253135 = 522430050627.

It is an interprime number because it is at equal distance from previous prime (531352051163) and next prime (531352051259).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-531352051211 is a prime.

It is a super-2 number, since 2×5313520512112 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531352051291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159181091 + ... + 159184428.

It is an arithmetic number, because the mean of its divisors is an integer number (132917604600).

Almost surely, 2531352051211 is an apocalyptic number.

531352051211 is a deficient number, since it is larger than the sum of its proper divisors (318367189).

531352051211 is a wasteful number, since it uses less digits than its factorization.

531352051211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318367188.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 531352051211 in words is "five hundred thirty-one billion, three hundred fifty-two million, fifty-one thousand, two hundred eleven".

Divisors: 1 1669 318365519 531352051211