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3028355400780 = 223356715123671
BaseRepresentation
bin101100000100011000000…
…011000100010001001100
3101201111201021221212211000
4230010120003010101030
5344104032440311110
610235112434100300
7431535320121033
oct54043003042114
911644637855730
103028355400780
11a68355746aa6
1240aaba11a690
1318c75a275168
14a6804b5b71a
1553b93cae1c0
hex2c1180c444c

3028355400780 has 288 divisors, whose sum is σ = 9628537443840. Its totient is φ = 790024752000.

The previous prime is 3028355400773. The next prime is 3028355400781. The reversal of 3028355400780 is 870045538203.

3028355400780 is a `hidden beast` number, since 3 + 0 + 2 + 8 + 35 + 540 + 0 + 78 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3028355400781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 824938345 + ... + 824942015.

It is an arithmetic number, because the mean of its divisors is an integer number (33432421680).

Almost surely, 23028355400780 is an apocalyptic number.

3028355400780 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 3028355400780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4814268721920).

3028355400780 is an abundant number, since it is smaller than the sum of its proper divisors (6600182043060).

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

3028355400780 is a wasteful number, since it uses less digits than its factorization.

3028355400780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 3028355400780 in words is "three trillion, twenty-eight billion, three hundred fifty-five million, four hundred thousand, seven hundred eighty".