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3121002030 = 235104033401
BaseRepresentation
bin1011101000000110…
…1011011000101110
322001111201022220210
42322001223120232
522342434031110
61233405523250
7140225036166
oct27201533056
98044638823
103121002030
1113617a7023
12731273526
133a979c583
142187035a6
15133ee6520
hexba06b62e

3121002030 has 16 divisors (see below), whose sum is σ = 7490404944. Its totient is φ = 832267200.

The previous prime is 3121002029. The next prime is 3121002077. The reversal of 3121002030 is 302001213.

It is a happy number.

3121002030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3121001997 and 3121002015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52016671 + ... + 52016730.

It is an arithmetic number, because the mean of its divisors is an integer number (468150309).

Almost surely, 23121002030 is an apocalyptic number.

3121002030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3121002030 is an abundant number, since it is smaller than the sum of its proper divisors (4369402914).

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

3121002030 is a wasteful number, since it uses less digits than its factorization.

3121002030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104033411.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3121002030 is about 55865.9290623543. The cubic root of 3121002030 is about 1461.3851291596.

Adding to 3121002030 its reverse (302001213), we get a palindrome (3423003243).

The spelling of 3121002030 in words is "three billion, one hundred twenty-one million, two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 104033401 208066802 312100203 520167005 624200406 1040334010 1560501015 3121002030