Search a number
-
+
20101011110000 = 245418111105531
BaseRepresentation
bin1001001001000001000011…
…01000000111100001110000
32122011122020000200120001222
410210200201220013201300
510113313332321010000
6110430135500444212
74143151536212642
oct444404150074160
978148200616058
1020101011110000
11644a877815037
122307863b49668
13b2a695420502
144d6c736bc892
1524cd17c48a85
hex124821a07870

20101011110000 has 100 divisors (see below), whose sum is σ = 48935438415864. Its totient is φ = 7995981600000.

The previous prime is 20101011109951. The next prime is 20101011110003. The reversal of 20101011110000 is 1111010102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20101011110000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101011110003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3742766 + ... + 7362765.

Almost surely, 220101011110000 is an apocalyptic number.

20101011110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101011110000 is an abundant number, since it is smaller than the sum of its proper divisors (28834427305864).

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

20101011110000 is a wasteful number, since it uses less digits than its factorization.

20101011110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105740 (or 11105719 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 20101011110000 its reverse (1111010102), we get a palindrome (20102122120102).

The spelling of 20101011110000 in words is "twenty trillion, one hundred one billion, eleven million, one hundred ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 181 200 250 362 400 500 625 724 905 1000 1250 1448 1810 2000 2500 2896 3620 4525 5000 7240 9050 10000 14480 18100 22625 36200 45250 72400 90500 113125 181000 226250 362000 452500 905000 1810000 11105531 22211062 44422124 55527655 88844248 111055310 177688496 222110620 277638275 444221240 555276550 888442480 1110553100 1388191375 2010101111 2221106200 2776382750 4020202222 4442212400 5552765500 6940956875 8040404444 10050505555 11105531000 13881913750 16080808888 20101011110 22211062000 27763827500 32161617776 40202022220 50252527775 55527655000 80404044440 100505055550 111055310000 160808088880 201010111100 251262638875 402020222200 502525277750 804040444400 1005050555500 1256313194375 2010101111000 2512626388750 4020202222000 5025252777500 10050505555000 20101011110000