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2121133310 = 251911110541
BaseRepresentation
bin111111001101101…
…1110110011111110
312110211021201212222
41332123132303332
513321002231220
6550251125342
7103364223062
oct17633366376
95424251788
102121133310
1199936293a
124b2443852
1327a5aa08a
141619cbaa2
15c633de25
hex7e6decfe

2121133310 has 16 divisors (see below), whose sum is σ = 3838033152. Its totient is φ = 844010400.

The previous prime is 2121133291. The next prime is 2121133321. The reversal of 2121133310 is 133311212.

It is a super-2 number, since 2×21211333102 = 8998413037583112200, 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553361 + ... + 557180.

It is an arithmetic number, because the mean of its divisors is an integer number (239877072).

Almost surely, 22121133310 is an apocalyptic number.

2121133310 is a deficient number, since it is larger than the sum of its proper divisors (1716899842).

2121133310 is a wasteful number, since it uses less digits than its factorization.

2121133310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110739.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2121133310 is about 46055.7630487217. The cubic root of 2121133310 is about 1284.8605298118.

Adding to 2121133310 its reverse (133311212), we get a palindrome (2254444522).

The spelling of 2121133310 in words is "two billion, one hundred twenty-one million, one hundred thirty-three thousand, three hundred ten".

Divisors: 1 2 5 10 191 382 955 1910 1110541 2221082 5552705 11105410 212113331 424226662 1060566655 2121133310