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2130438046 = 21121012863
BaseRepresentation
bin111111011111011…
…1110011110011110
312111110210110120211
41332332332132132
513330343004141
6551222403034
7103536265432
oct17676763636
95443713524
102130438046
119a3638700
124b559047a
1327c4b7339
14162d309c2
15c707ad81
hex7efbe79e

2130438046 has 36 divisors (see below), whose sum is σ = 3551815008. Its totient is φ = 957682000.

The previous prime is 2130438041. The next prime is 2130438047. The reversal of 2130438046 is 6408340312.

It is a junction number, because it is equal to n+sod(n) for n = 2130437999 and 2130438017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130438041) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2468211 + ... + 2469073.

It is an arithmetic number, because the mean of its divisors is an integer number (98661528).

Almost surely, 22130438046 is an apocalyptic number.

2130438046 is a deficient number, since it is larger than the sum of its proper divisors (1421376962).

2130438046 is a wasteful number, since it uses less digits than its factorization.

2130438046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2130438046 is about 46156.6684889627. The cubic root of 2130438046 is about 1286.7365472381.

Adding to 2130438046 its reverse (6408340312), we get a palindrome (8538778358).

The spelling of 2130438046 in words is "two billion, one hundred thirty million, four hundred thirty-eight thousand, forty-six".

Divisors: 1 2 11 22 101 121 202 242 863 1111 1726 2222 9493 10201 12221 18986 20402 24442 87163 104423 112211 174326 208846 224422 958793 1234321 1917586 2468642 8803463 10546723 17606926 21093446 96838093 193676186 1065219023 2130438046