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2130012454 = 25923975527
BaseRepresentation
bin111111011110101…
…0110100100100110
312111102222211210011
41332331112210212
513330240344304
6551205320434
7103532543563
oct17675264446
95442884704
102130012454
119a3377979
124b540611a
1327c3986cb
14162c5d86a
15c6ee4c04
hex7ef56926

2130012454 has 16 divisors (see below), whose sum is σ = 3262809600. Its totient is φ = 1042560904.

The previous prime is 2130012383. The next prime is 2130012463. The reversal of 2130012454 is 4542100312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9562 + ... + 65965.

It is an arithmetic number, because the mean of its divisors is an integer number (203925600).

Almost surely, 22130012454 is an apocalyptic number.

2130012454 is a deficient number, since it is larger than the sum of its proper divisors (1132797146).

2130012454 is a wasteful number, since it uses less digits than its factorization.

2130012454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75827.

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

The square root of 2130012454 is about 46152.0579606154. The cubic root of 2130012454 is about 1286.6508588743.

Adding to 2130012454 its reverse (4542100312), we get a palindrome (6672112766).

The spelling of 2130012454 in words is "two billion, one hundred thirty million, twelve thousand, four hundred fifty-four".

Divisors: 1 2 59 118 239 478 14101 28202 75527 151054 4456093 8912186 18050953 36101906 1065006227 2130012454