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1030112012220 = 2235125913636643
BaseRepresentation
bin11101111110101110111…
…01011110011110111100
310122110220021111010201220
432333113131132132330
5113334132133342340
62105121003233340
7134265064430064
oct16772735363674
93573807433656
101030112012220
11367960415405
12147786518850
13761a691bb55
1437c016cc3a4
151bbe0118ed0
hexefd775e7bc

1030112012220 has 48 divisors (see below), whose sum is σ = 2886604801920. Its totient is φ = 274478330176.

The previous prime is 1030112012203. The next prime is 1030112012249. The reversal of 1030112012220 is 222102110301.

It is a super-2 number, since 2×10301120122202 (a number of 25 digits) contains 22 as substring.

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 1030112012220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6742782 + ... + 6893861.

It is an arithmetic number, because the mean of its divisors is an integer number (60137600040).

Almost surely, 21030112012220 is an apocalyptic number.

1030112012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030112012220 is an abundant number, since it is smaller than the sum of its proper divisors (1856492789700).

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

1030112012220 is a wasteful number, since it uses less digits than its factorization.

1030112012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13637914 (or 13637912 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1030112012220 its reverse (222102110301), we get a palindrome (1252214122521).

The spelling of 1030112012220 in words is "one trillion, thirty billion, one hundred twelve million, twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1259 2518 3777 5036 6295 7554 12590 15108 18885 25180 37770 75540 13636643 27273286 40909929 54546572 68183215 81819858 136366430 163639716 204549645 272732860 409099290 818198580 17168533537 34337067074 51505600611 68674134148 85842667685 103011201222 171685335370 206022402444 257528003055 343370670740 515056006110 1030112012220