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201022102122 = 23197092487097
BaseRepresentation
bin1011101100110111011…
…0011101101001101010
3201012212120112212000120
42323031312131221222
511243143124231442
6232203121144110
720344341450402
oct2731566355152
9635776485016
10201022102122
11782868106a6
1232b61a8b036
1315c57cc752a
149a2db43802
15536806e4ec
hex2ecdd9da6a

201022102122 has 32 divisors (see below), whose sum is σ = 423801499200. Its totient is φ = 63391102848.

The previous prime is 201022102081. The next prime is 201022102133. The reversal of 201022102122 is 221201220102.

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 15 ways as a sum of consecutive naturals, for example, 1162723 + ... + 1324374.

It is an arithmetic number, because the mean of its divisors is an integer number (13243796850).

Almost surely, 2201022102122 is an apocalyptic number.

201022102122 is an abundant number, since it is smaller than the sum of its proper divisors (222779397078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201022102122 is a wasteful number, since it uses less digits than its factorization.

201022102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487830.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201022102122 its reverse (221201220102), we get a palindrome (422223322224).

The spelling of 201022102122 in words is "two hundred one billion, twenty-two million, one hundred two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 709 1418 2127 4254 13471 26942 40413 80826 2487097 4974194 7461291 14922582 47254843 94509686 141764529 283529058 1763351773 3526703546 5290055319 10580110638 33503683687 67007367374 100511051061 201022102122