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3102997847040 = 21032571317192979
BaseRepresentation
bin101101001001111001000…
…101011001110000000000
3101222122101020220000201200
4231021321011121300000
5401314414422101130
610333255244501200
7440120115340320
oct55117105316000
911878336800650
103102997847040
11a96a79431713
1242146b84a800
131967c444bc20
14aa28615d280
1555ab1c49760
hex2d279159c00

3102997847040 has 4224 divisors, whose sum is σ = 15450559488000. Its totient is φ = 556491866112.

The previous prime is 3102997846979. The next prime is 3102997847063. The reversal of 3102997847040 is 407487992013.

3102997847040 is a `hidden beast` number, since 3 + 10 + 2 + 99 + 78 + 470 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 39278453721 + ... + 39278453799.

Almost surely, 23102997847040 is an apocalyptic number.

3102997847040 is a gapful number since it is divisible by the number (30) 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 3102997847040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7725279744000).

3102997847040 is an abundant number, since it is smaller than the sum of its proper divisors (12347561640960).

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

3102997847040 is a wasteful number, since it uses less digits than its factorization.

3102997847040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 3102997847040 in words is "three trillion, one hundred two billion, nine hundred ninety-seven million, eight hundred forty-seven thousand, forty".