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21110011130 = 25132515231237
BaseRepresentation
bin10011101010010000…
…010011010011111010
32000111012012200021002
4103222100103103322
5321213130324010
613410420445002
71345061063645
oct235220232372
960435180232
1021110011130
118a5306189a
124111849762
131cb5652260
1410438aca5c
1583842d1a5
hex4ea4134fa

21110011130 has 64 divisors (see below), whose sum is σ = 41195806848. Its totient is φ = 7742304000.

The previous prime is 21110011129. The next prime is 21110011147. The reversal of 21110011130 is 3111001112.

It is a happy 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 31 ways as a sum of consecutive naturals, for example, 17064872 + ... + 17066108.

It is an arithmetic number, because the mean of its divisors is an integer number (643684482).

Almost surely, 221110011130 is an apocalyptic number.

21110011130 is a deficient number, since it is larger than the sum of its proper divisors (20085795718).

21110011130 is a wasteful number, since it uses less digits than its factorization.

21110011130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 21110011130 its reverse (3111001112), we get a palindrome (24221012242).

The spelling of 21110011130 in words is "twenty-one billion, one hundred ten million, eleven thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 251 502 523 1046 1237 1255 2474 2510 2615 3263 5230 6185 6526 6799 12370 13598 16081 16315 32162 32630 33995 67990 80405 131273 160810 262546 310487 620974 646951 656365 1293902 1312730 1552435 1706549 3104870 3234755 3413098 4036331 6469510 8072662 8410363 8532745 16820726 17065490 20181655 40363310 42051815 84103630 162384701 324769402 811923505 1623847010 2111001113 4222002226 10555005565 21110011130