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2125000423 = 71321796281
BaseRepresentation
bin111111010101000…
…1110111011100111
312111002120012120101
41332222032323213
513323000003143
6550510044531
7103442130340
oct17652167347
95432505511
102125000423
119a05642a7
124b37a9747
1327b332300
141623170c7
15c6854b4d
hex7ea8eee7

2125000423 has 12 divisors (see below), whose sum is σ = 2629756848. Its totient is φ = 1681318080.

The previous prime is 2125000421. The next prime is 2125000441. The reversal of 2125000423 is 3240005212.

It is not a de Polignac number, because 2125000423 - 21 = 2125000421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2125000423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125000421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 896958 + ... + 899323.

It is an arithmetic number, because the mean of its divisors is an integer number (219146404).

Almost surely, 22125000423 is an apocalyptic number.

2125000423 is a deficient number, since it is larger than the sum of its proper divisors (504756425).

2125000423 is a wasteful number, since it uses less digits than its factorization.

2125000423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796314 (or 1796301 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2125000423 is about 46097.7268745434. The cubic root of 2125000423 is about 1285.6408806352.

Adding to 2125000423 its reverse (3240005212), we get a palindrome (5365005635).

The spelling of 2125000423 in words is "two billion, one hundred twenty-five million, four hundred twenty-three", and thus it is an aban number.

Divisors: 1 7 13 91 169 1183 1796281 12573967 23351653 163461571 303571489 2125000423