Search a number
-
+
21023032110212 = 2211974925733859
BaseRepresentation
bin1001100011110110011100…
…10111000110110010000100
32202102210010020212100122202
410301323032113012302010
510223420132210011322
6112413503030414032
74266602222335166
oct461731627066204
982383106770582
1021023032110212
1167758aa614260
1224364a2b01318
13b966041a2052
1452973d550936
15266ccd651292
hex131ece5c6c84

21023032110212 has 24 divisors (see below), whose sum is σ = 40548641135520. Its totient is φ = 9457409007360.

The previous prime is 21023032110209. The next prime is 21023032110263. The reversal of 21023032110212 is 21201123032012.

It is a super-3 number, since 3×210230321102123 (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2462862662 + ... + 2462871197.

It is an arithmetic number, because the mean of its divisors is an integer number (1689526713980).

Almost surely, 221023032110212 is an apocalyptic number.

21023032110212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21023032110212 is a deficient number, since it is larger than the sum of its proper divisors (19525609025308).

21023032110212 is a wasteful number, since it uses less digits than its factorization.

21023032110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4925733971 (or 4925733969 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21023032110212 its reverse (21201123032012), we get a palindrome (42224155142224).

The spelling of 21023032110212 in words is "twenty-one trillion, twenty-three billion, thirty-two million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 97 194 388 1067 2134 4268 4925733859 9851467718 19702935436 54183072449 108366144898 216732289796 477796184323 955592368646 1911184737292 5255758027553 10511516055106 21023032110212