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6900531641 is a prime number
BaseRepresentation
bin1100110110100110…
…11100000110111001
3122210220120022211222
412123103130012321
5103113014003031
63100422201425
7333000360023
oct63323340671
918726508758
106900531641
112a21196613
121406b83275
1385c81a423
14496667013
152a5c1be7b
hex19b4dc1b9

6900531641 has 2 divisors, whose sum is σ = 6900531642. Its totient is φ = 6900531640.

The previous prime is 6900531637. The next prime is 6900531661. The reversal of 6900531641 is 1461350096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6610340416 + 290191225 = 81304^2 + 17035^2 .

It is a cyclic number.

It is not a de Polignac number, because 6900531641 - 22 = 6900531637 is a prime.

It is not a weakly prime, because it can be changed into another prime (6900531601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3450265820 + 3450265821.

It is an arithmetic number, because the mean of its divisors is an integer number (3450265821).

Almost surely, 26900531641 is an apocalyptic number.

It is an amenable number.

6900531641 is a deficient number, since it is larger than the sum of its proper divisors (1).

6900531641 is an equidigital number, since it uses as much as digits as its factorization.

6900531641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 6900531641 is about 83069.4386703076. The cubic root of 6900531641 is about 1903.8271557114.

The spelling of 6900531641 in words is "six billion, nine hundred million, five hundred thirty-one thousand, six hundred forty-one".