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2112131254 = 23643289889
BaseRepresentation
bin111110111100100…
…1001000010110110
312110012100101101111
41331321021002312
513311201200004
6545330145234
7103224551032
oct17571110266
95405311344
102112131254
11994274522
124ab42221a
1327877780c
141607271c2
15c5661a04
hex7de490b6

2112131254 has 8 divisors (see below), whose sum is σ = 3169077480. Its totient is φ = 1055772096.

The previous prime is 2112131243. The next prime is 2112131299. The reversal of 2112131254 is 4521312112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21121312542 = 8922196868247225032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137659 + ... + 152230.

It is an arithmetic number, because the mean of its divisors is an integer number (396134685).

Almost surely, 22112131254 is an apocalyptic number.

2112131254 is a deficient number, since it is larger than the sum of its proper divisors (1056946226).

2112131254 is a wasteful number, since it uses less digits than its factorization.

2112131254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293534.

The product of its digits is 480, while the sum is 22.

The square root of 2112131254 is about 45957.9291744091. The cubic root of 2112131254 is about 1283.0403098386.

Adding to 2112131254 its reverse (4521312112), we get a palindrome (6633443366).

The spelling of 2112131254 in words is "two billion, one hundred twelve million, one hundred thirty-one thousand, two hundred fifty-four".

Divisors: 1 2 3643 7286 289889 579778 1056065627 2112131254