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23130134232044 = 22723113927387071
BaseRepresentation
bin1010100001001011001110…
…11011110011101111101100
310000220012220211020201110212
411100211213123303233230
511012431003330411134
6121105500441521552
74605045201011300
oct520454733635754
9100805824221425
1023130134232044
117408486855414
1227169371a32b8
13cba2157562b8
1459d70c3a1d00
152a1a04105bce
hex1509676f3bec

23130134232044 has 72 divisors (see below), whose sum is σ = 48954938941440. Its totient is φ = 9524127463200.

The previous prime is 23130134232031. The next prime is 23130134232077. The reversal of 23130134232044 is 44023243103132.

It is a self number, because there is not a number n which added to its sum of digits gives 23130134232044.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12848972 + ... + 14538099.

It is an arithmetic number, because the mean of its divisors is an integer number (679929707520).

Almost surely, 223130134232044 is an apocalyptic number.

It is an amenable number.

23130134232044 is an abundant number, since it is smaller than the sum of its proper divisors (25824804709396).

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

23130134232044 is a wasteful number, since it uses less digits than its factorization.

23130134232044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27387259 (or 27387250 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 23130134232044 its reverse (44023243103132), we get a palindrome (67153377335176).

The spelling of 23130134232044 in words is "twenty-three trillion, one hundred thirty billion, one hundred thirty-four million, two hundred thirty-two thousand, forty-four".

Divisors: 1 2 4 7 14 28 31 49 62 98 124 139 196 217 278 434 556 868 973 1519 1946 3038 3892 4309 6076 6811 8618 13622 17236 27244 30163 60326 120652 211141 422282 844564 27387071 54774142 109548284 191709497 383418994 766837988 848999201 1341966479 1697998402 2683932958 3395996804 3806802869 5367865916 5942994407 7613605738 11885988814 15227211476 23771977628 26647620083 41600960849 53295240166 83201921698 106590480332 118010888939 166403843396 186533340581 236021777878 373066681162 472043555756 746133362324 826076222573 1652152445146 3304304890292 5782533558011 11565067116022 23130134232044