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486740448218025 = 34524902712
BaseRepresentation
bin110111010101100000001011…
…1100000111000101110101001
32100211101221011201121110110000
41232223000113200320232221
51002244223414220434100
64443113250333413213
7204344560025426451
oct15653002740705651
92324357151543400
10486740448218025
111310aa5127a3741
124671168733a209
1317b79572a83ac1
14882a513216d61
153b41381ac9900
hex1bab017838ba9

486740448218025 has 45 divisors (see below), whose sum is σ = 901613405067463. Its totient is φ = 259594376223600.

The previous prime is 486740448217981. The next prime is 486740448218029. The reversal of 486740448218025 is 520812844047684.

The square root of 486740448218025 is 22062195.

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

486740448218025 is a `hidden beast` number, since 4 + 8 + 6 + 7 + 4 + 0 + 448 + 2 + 180 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 175226561358489 + 311513886859536 = 13237317^2 + 17649756^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 486740448218025 - 229 = 486739911347113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (486740448218029) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 992553640 + ... + 993043910.

Almost surely, 2486740448218025 is an apocalyptic number.

486740448218025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

486740448218025 is the 22062195-th square number.

486740448218025 is the 11031098-th centered octagonal number.

It is an amenable number.

486740448218025 is a deficient number, since it is larger than the sum of its proper divisors (414872956849438).

486740448218025 is an frugal number, since it uses more digits than its factorization.

486740448218025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980564 (or 490279 counting only the distinct ones).

The product of its (nonzero) digits is 110100480, while the sum is 63.

The spelling of 486740448218025 in words is "four hundred eighty-six trillion, seven hundred forty billion, four hundred forty-eight million, two hundred eighteen thousand, twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 225 405 675 2025 490271 1470813 2451355 4412439 7354065 12256775 13237317 22062195 36770325 39711951 66186585 110310975 198559755 330932925 992798775 240365653441 721096960323 1201828267205 2163290880969 3605484801615 6009141336025 6489872642907 10816454404845 18027424008075 19469617928721 32449363214535 54082272024225 97348089643605 162246816072675 486740448218025