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1010022221220 = 223516833703687
BaseRepresentation
bin11101011001010100000…
…01000000010110100100
310120120001012000000101120
432230222001000112210
5113022011142034340
62051555305253540
7132654202140615
oct16545201002644
93516035000346
101010022221220
1135a391238051
121438ba4942b0
137432476645c
1436c57511c0c
151b4165634d0
hexeb2a0405a4

1010022221220 has 24 divisors (see below), whose sum is σ = 2828062219584. Its totient is φ = 269339258976.

The previous prime is 1010022221209. The next prime is 1010022221233. The reversal of 1010022221220 is 221222200101.

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 1010022221220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8416851784 + ... + 8416851903.

It is an arithmetic number, because the mean of its divisors is an integer number (117835925816).

Almost surely, 21010022221220 is an apocalyptic number.

1010022221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010022221220 is an abundant number, since it is smaller than the sum of its proper divisors (1818039998364).

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

1010022221220 is a wasteful number, since it uses less digits than its factorization.

1010022221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16833703699 (or 16833703697 counting only the distinct ones).

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

Adding to 1010022221220 its reverse (221222200101), we get a palindrome (1231244421321).

The spelling of 1010022221220 in words is "one trillion, ten billion, twenty-two million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 16833703687 33667407374 50501111061 67334814748 84168518435 101002222122 168337036870 202004444244 252505555305 336674073740 505011110610 1010022221220