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3021112020 = 223583606649
BaseRepresentation
bin1011010000010010…
…1000001011010100
321210112202101120210
42310010220023110
522141401041040
61215440525420
7134603012523
oct26404501324
97715671523
103021112020
1113103801a3
12703920870
13391b96b64
142093404ba
1512a364480
hexb41282d4

3021112020 has 48 divisors (see below), whose sum is σ = 8561044800. Its totient is φ = 795922176.

The previous prime is 3021112001. The next prime is 3021112063. The reversal of 3021112020 is 202111203.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3021111987 and 3021112005.

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, 298345 + ... + 308304.

It is an arithmetic number, because the mean of its divisors is an integer number (178355100).

Almost surely, 23021112020 is an apocalyptic number.

3021112020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3021112020 is an abundant number, since it is smaller than the sum of its proper divisors (5539932780).

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

3021112020 is a wasteful number, since it uses less digits than its factorization.

3021112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606744 (or 606742 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 3021112020 is about 54964.6433628019. The cubic root of 3021112020 is about 1445.6248651441.

Adding to 3021112020 its reverse (202111203), we get a palindrome (3223223223).

The spelling of 3021112020 in words is "three billion, twenty-one million, one hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 83 166 249 332 415 498 830 996 1245 1660 2490 4980 606649 1213298 1819947 2426596 3033245 3639894 6066490 7279788 9099735 12132980 18199470 36398940 50351867 100703734 151055601 201407468 251759335 302111202 503518670 604222404 755278005 1007037340 1510556010 3021112020