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20110136604 = 22317313179971
BaseRepresentation
bin10010101110101010…
…000101010100011100
31220220111202210021020
4102232222011110130
5312141143332404
613123302004140
71311230224605
oct225652052434
956814683236
1020110136604
11858a714308
123a92a16650
131b8645a21c
14d8ab94dac
157ca773ed9
hex4aea8551c

20110136604 has 48 divisors (see below), whose sum is σ = 51286588416. Its totient is φ = 6105542400.

The previous prime is 20110136593. The next prime is 20110136611. The reversal of 20110136604 is 40663101102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583662 + ... + 1596309.

It is an arithmetic number, because the mean of its divisors is an integer number (1068470592).

Almost surely, 220110136604 is an apocalyptic number.

It is an amenable number.

20110136604 is an abundant number, since it is smaller than the sum of its proper divisors (31176451812).

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

20110136604 is a wasteful number, since it uses less digits than its factorization.

20110136604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180026 (or 3180024 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 20110136604 its reverse (40663101102), we get a palindrome (60773237706).

It can be divided in two parts, 201101 and 36604, that added together give a triangular number (237705 = T689).

The spelling of 20110136604 in words is "twenty billion, one hundred ten million, one hundred thirty-six thousand, six hundred four".

Divisors: 1 2 3 4 6 12 17 31 34 51 62 68 93 102 124 186 204 372 527 1054 1581 2108 3162 6324 3179971 6359942 9539913 12719884 19079826 38159652 54059507 98579101 108119014 162178521 197158202 216238028 295737303 324357042 394316404 591474606 648714084 1182949212 1675844717 3351689434 5027534151 6703378868 10055068302 20110136604