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2819630240725 = 523131018135393
BaseRepresentation
bin101001000001111111000…
…011110001001111010101
3100222112221212202010211111
4221001333003301033111
5332144100320200400
65555153101335021
7410466031412434
oct51017703611725
910875855663744
102819630240725
11997886843a21
12396568567471
13175b754047ac
149a683d6911b
154d52984c3ba
hex2907f0f13d5

2819630240725 has 24 divisors (see below), whose sum is σ = 3507955545672. Its totient is φ = 2248213094400.

The previous prime is 2819630240711. The next prime is 2819630240737. The reversal of 2819630240725 is 5270420369182.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 607797988996 + 2211832251729 = 779614^2 + 1487223^2 .

It is not a de Polignac number, because 2819630240725 - 215 = 2819630207957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79648629 + ... + 79684021.

It is an arithmetic number, because the mean of its divisors is an integer number (146164814403).

It is a 1-persistent number, because it is pandigital, but 2⋅2819630240725 = 5639260481450 is not.

Almost surely, 22819630240725 is an apocalyptic number.

2819630240725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2819630240725 is a deficient number, since it is larger than the sum of its proper divisors (688325304947).

2819630240725 is a wasteful number, since it uses less digits than its factorization.

2819630240725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45897 (or 45892 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 2819630240725 in words is "two trillion, eight hundred nineteen billion, six hundred thirty million, two hundred forty thousand, seven hundred twenty-five".

Divisors: 1 5 25 313 1565 7825 10181 35393 50905 176965 254525 884825 3186653 11078009 15933265 55390045 79666325 276950225 360336133 1801680665 9008403325 112785209629 563926048145 2819630240725