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497872771201 = 132542772
BaseRepresentation
bin1110011111010111000…
…01111001100010000001
31202121002121110021220201
413033223201321202001
531124120412134301
61020415233205201
750653515505201
oct7175341714201
91677077407821
10497872771201
11182168221a73
12805a8700801
1337c45518400
141a1508ca401
15ce3dedd201
hex73eb879881

497872771201 has 9 divisors (see below), whose sum is σ = 539126602281. Its totient is φ = 459566398512.

The previous prime is 497872771147. The next prime is 497872771211. The reversal of 497872771201 is 102177278794.

It is a happy number.

The square root of 497872771201 is 705601.

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

It can be written as a sum of positive squares in 4 ways, for example, as 245667931201 + 252204840000 = 495649^2 + 502200^2 .

It is not a de Polignac number, because 497872771201 - 217 = 497872640129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497872771211) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9145675 + ... + 9199951.

It is an arithmetic number, because the mean of its divisors is an integer number (59902955809).

Almost surely, 2497872771201 is an apocalyptic number.

497872771201 is the 705601-st square number.

497872771201 is the 352801-st centered octagonal number.

It is an amenable number.

497872771201 is a deficient number, since it is larger than the sum of its proper divisors (41253831080).

497872771201 is an frugal number, since it uses more digits than its factorization.

497872771201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108580 (or 54290 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 55.

The spelling of 497872771201 in words is "four hundred ninety-seven billion, eight hundred seventy-two million, seven hundred seventy-one thousand, two hundred one".

Divisors: 1 13 169 54277 705601 9172813 2945992729 38297905477 497872771201