Search a number
-
+
20102212200210 = 2357118037810973
BaseRepresentation
bin1001001001000011010010…
…01101111010011100010010
32122011202022201202021002120
410210201221031322130102
510113323312310401320
6110430455004155110
74143223362261450
oct444415115723422
978152281667076
1020102212200210
1164503337a5978
122307b3a238a96
13b2a827206c8a
144d6d490139d0
1524cd883ec440
hex12486937a712

20102212200210 has 64 divisors (see below), whose sum is σ = 55138031430912. Its totient is φ = 4594746767616.

The previous prime is 20102212200197. The next prime is 20102212200281. The reversal of 20102212200210 is 1200221220102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20102212200210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24382284 + ... + 25193256.

It is an arithmetic number, because the mean of its divisors is an integer number (861531741108).

Almost surely, 220102212200210 is an apocalyptic number.

20102212200210 is an abundant number, since it is smaller than the sum of its proper divisors (35035819230702).

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

20102212200210 is a wasteful number, since it uses less digits than its factorization.

20102212200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929027.

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

Adding to 20102212200210 its reverse (1200221220102), we get a palindrome (21302433420312).

The spelling of 20102212200210 in words is "twenty trillion, one hundred two billion, two hundred twelve million, two hundred thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 118037 236074 354111 590185 708222 810973 826259 1180370 1621946 1652518 1770555 2432919 2478777 3541110 4054865 4131295 4865838 4957554 5676811 8109730 8262590 11353622 12164595 12393885 17030433 24329190 24787770 28384055 34060866 56768110 85152165 170304330 95724820001 191449640002 287174460003 478624100005 574348920006 670073740007 957248200010 1340147480014 1435872300015 2010221220021 2871744600030 3350368700035 4020442440042 6700737400070 10051106100105 20102212200210