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3102030121020 = 2235173041206001
BaseRepresentation
bin101101001000111111011…
…001110100100000111100
3101222112212210221110012020
4231020333121310200330
5401310424202333040
610333015235040140
7440054124655545
oct55107731644074
911875783843166
103102030121020
11a96622151846
1242123b740050
1319669bb01a8c
14aa1d38134cc
1555a56ce0cd0
hex2d23f67483c

3102030121020 has 48 divisors (see below), whose sum is σ = 9196606950048. Its totient is φ = 778548736000.

The previous prime is 3102030121019. The next prime is 3102030121033. The reversal of 3102030121020 is 201210302013.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1520601981 + ... + 1520604020.

It is an arithmetic number, because the mean of its divisors is an integer number (191595978126).

Almost surely, 23102030121020 is an apocalyptic number.

3102030121020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3102030121020 is an abundant number, since it is smaller than the sum of its proper divisors (6094576829028).

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

3102030121020 is a wasteful number, since it uses less digits than its factorization.

3102030121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041206030 (or 3041206028 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 3102030121020 its reverse (201210302013), we get a palindrome (3303240423033).

The spelling of 3102030121020 in words is "three trillion, one hundred two billion, thirty million, one hundred twenty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 3041206001 6082412002 9123618003 12164824004 15206030005 18247236006 30412060010 36494472012 45618090015 51700502017 60824120020 91236180030 103401004034 155101506051 182472360060 206802008068 258502510085 310203012102 517005020170 620406024204 775507530255 1034010040340 1551015060510 3102030121020