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2131040425 = 52317443607
BaseRepresentation
bin111111100000101…
…0001100010101001
312111111221001220011
41333001101202221
513331021243200
6551243331521
7103544354563
oct17701214251
95444831804
102131040425
119a3a0a238
124b5820ba1
1327c668587
1416304a333
15c71495ba
hex7f0518a9

2131040425 has 24 divisors (see below), whose sum is σ = 2661186816. Its totient is φ = 1692824640.

The previous prime is 2131040371. The next prime is 2131040441. The reversal of 2131040425 is 5240401312.

It is not a de Polignac number, because 2131040425 - 215 = 2131007657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131040396 and 2131040405.

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, 3510472 + ... + 3511078.

It is an arithmetic number, because the mean of its divisors is an integer number (110882784).

Almost surely, 22131040425 is an apocalyptic number.

2131040425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2131040425 is a deficient number, since it is larger than the sum of its proper divisors (530146391).

2131040425 is a wasteful number, since it uses less digits than its factorization.

2131040425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2131040425 is about 46163.1934012369. The cubic root of 2131040425 is about 1286.8578102547.

Adding to 2131040425 its reverse (5240401312), we get a palindrome (7371441737).

The spelling of 2131040425 in words is "two billion, one hundred thirty-one million, forty thousand, four hundred twenty-five".

Divisors: 1 5 25 317 443 607 1585 2215 3035 7925 11075 15175 140431 192419 268901 702155 962095 1344505 3510775 4810475 6722525 85241617 426208085 2131040425