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1042155224220 = 22351113671155101
BaseRepresentation
bin11110010101001010100…
…10101011110010011100
310200121222120220200210210
433022211102223302130
5114033313214133340
62114432015132420
7135202402150245
oct17124522536234
93617876820723
101042155224220
11371a80500880
12149b87814110
1377375a031b6
1438624d57ccc
151c197573180
hexf2a54abc9c

1042155224220 has 96 divisors (see below), whose sum is σ = 3185641944576. Its totient is φ = 252458656000.

The previous prime is 1042155224219. The next prime is 1042155224233. The reversal of 1042155224220 is 224225512401.

It is a super-2 number, since 2×10421552242202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 324670 + ... + 1479770.

It is an arithmetic number, because the mean of its divisors is an integer number (33183770256).

Almost surely, 21042155224220 is an apocalyptic number.

1042155224220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042155224220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592820972288).

1042155224220 is an abundant number, since it is smaller than the sum of its proper divisors (2143486720356).

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

1042155224220 is a wasteful number, since it uses less digits than its factorization.

1042155224220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156491 (or 1156489 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 1042155224220 in words is "one trillion, forty-two billion, one hundred fifty-five million, two hundred twenty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 1367 2734 4101 5468 6835 8202 13670 15037 16404 20505 27340 30074 41010 45111 60148 75185 82020 90222 150370 180444 225555 300740 451110 902220 1155101 2310202 3465303 4620404 5775505 6930606 11551010 12706111 13861212 17326515 23102020 25412222 34653030 38118333 50824444 63530555 69306060 76236666 127061110 152473332 190591665 254122220 381183330 762366660 1579023067 3158046134 4737069201 6316092268 7895115335 9474138402 15790230670 17369253737 18948276804 23685346005 31580461340 34738507474 47370692010 52107761211 69477014948 86846268685 94741384020 104215522422 173692537370 208431044844 260538806055 347385074740 521077612110 1042155224220