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6906441025 = 5211215112
BaseRepresentation
bin1100110111010011…
…11110110101000001
3122211022200120000001
412123221332311001
5103121022103100
63101153000001
7333101531401
oct63351766501
918738616001
106906441025
112a24562400
121408b53001
13860b090c3
14497364801
152a64d7d6a
hex19ba7ed41

6906441025 has 27 divisors (see below), whose sum is σ = 9419541859. Its totient is φ = 5019542000.

The previous prime is 6906441019. The next prime is 6906441037. The reversal of 6906441025 is 5201446096.

The square root of 6906441025 is 83105.

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., 2486318769 + 4420122256 = 49863^2 + 66484^2 .

It is not a de Polignac number, because 6906441025 - 217 = 6906309953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4570020 + ... + 4571530.

Almost surely, 26906441025 is an apocalyptic number.

6906441025 is the 83105-th square number.

6906441025 is the 41553-rd centered octagonal number.

It is an amenable number.

6906441025 is a deficient number, since it is larger than the sum of its proper divisors (2513100834).

6906441025 is an equidigital number, since it uses as much as digits as its factorization.

6906441025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The cubic root of 6906441025 is about 1904.3704585728.

It can be divided in two parts, 6906 and 441025, that added together give a triangular number (447931 = T946).

The spelling of 6906441025 in words is "six billion, nine hundred six million, four hundred forty-one thousand, twenty-five".

Divisors: 1 5 11 25 55 121 275 605 1511 3025 7555 16621 37775 83105 182831 415525 914155 2283121 4570775 11415605 25114331 57078025 125571655 276257641 627858275 1381288205 6906441025