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2130231002220 = 2232511834616679
BaseRepresentation
bin11110111111111011101…
…010011000010001101100
321112122111110110020001200
4132333323222120101230
5234400203114032340
64310340431205500
7306622052521206
oct36777352302154
97478443406050
102130231002220
11751475958342
122a4a2a076890
13125b592593b9
14751648cb776
153a62b271330
hex1effba9846c

2130231002220 has 36 divisors (see below), whose sum is σ = 6461700707280. Its totient is φ = 568061600544.

The previous prime is 2130231002189. The next prime is 2130231002243. The reversal of 2130231002220 is 222001320312.

2130231002220 is a `hidden beast` number, since 2 + 130 + 2 + 310 + 0 + 2 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2130231002193 and 2130231002202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5917308160 + ... + 5917308519.

Almost surely, 22130231002220 is an apocalyptic number.

2130231002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130231002220 is an abundant number, since it is smaller than the sum of its proper divisors (4331469705060).

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

2130231002220 is a wasteful number, since it uses less digits than its factorization.

2130231002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11834616694 (or 11834616689 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2130231002220 its reverse (222001320312), we get a palindrome (2352232322532).

The spelling of 2130231002220 in words is "two trillion, one hundred thirty billion, two hundred thirty-one million, two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 11834616679 23669233358 35503850037 47338466716 59173083395 71007700074 106511550111 118346166790 142015400148 177519250185 213023100222 236692333580 355038500370 426046200444 532557750555 710077000740 1065115501110 2130231002220