Search a number
-
+
20000123113210 = 2519413377618427
BaseRepresentation
bin1001000110000101001000…
…01110111100111011111010
32121210222210222010022020021
410203002210032330323322
510110140223004110320
6110311532452521054
74132650460330342
oct443024416747372
977728728108207
1020000123113210
116411006105899
1222b01a892018a
13b2100795a9a6
144d2022747d22
1524a3b0aa3daa
hex1230a43bcefa

20000123113210 has 64 divisors (see below), whose sum is σ = 38934433399680. Its totient is φ = 7372198471680.

The previous prime is 20000123113207. The next prime is 20000123113231. The reversal of 20000123113210 is 1231132100002.

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 31 ways as a sum of consecutive naturals, for example, 1183984 + ... + 6434443.

It is an arithmetic number, because the mean of its divisors is an integer number (608350521870).

Almost surely, 220000123113210 is an apocalyptic number.

20000123113210 is a deficient number, since it is larger than the sum of its proper divisors (18934310286470).

20000123113210 is a wasteful number, since it uses less digits than its factorization.

20000123113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7618831.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20000123113210 its reverse (1231132100002), we get a palindrome (21231255213212).

The spelling of 20000123113210 in words is "twenty trillion, one hundred twenty-three million, one hundred thirteen thousand, two hundred ten".

Divisors: 1 2 5 10 19 38 41 82 95 190 205 337 410 674 779 1558 1685 3370 3895 6403 7790 12806 13817 27634 32015 64030 69085 138170 262523 525046 1312615 2625230 7618427 15236854 38092135 76184270 144750113 289500226 312355507 624711014 723750565 1447501130 1561777535 2567409899 3123555070 5134819798 5934754633 11869509266 12837049495 25674098990 29673773165 48780788081 59347546330 97561576162 105263805859 210527611718 243903940405 487807880810 526319029295 1052638058590 2000012311321 4000024622642 10000061556605 20000123113210