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802024042021 = 2931979197207
BaseRepresentation
bin10111010101111000101…
…10111010111000100101
32211200011102201201122221
423222330112322320211
5101120021123321041
61412240022352341
7111641621606116
oct13527426727045
92750142651587
10802024042021
1128a1557324a4
1210b53028b6b1
135a8273c0b87
142ab650bc20d
1515ce0d532d1
hexbabc5bae25

802024042021 has 16 divisors (see below), whose sum is σ = 865273328640. Its totient is φ = 741662691840.

The previous prime is 802024042019. The next prime is 802024042037. The reversal of 802024042021 is 120240420208.

It is a cyclic number.

It is not a de Polignac number, because 802024042021 - 21 = 802024042019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802024042051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4511401 + ... + 4685806.

It is an arithmetic number, because the mean of its divisors is an integer number (54079583040).

Almost surely, 2802024042021 is an apocalyptic number.

It is an amenable number.

802024042021 is a deficient number, since it is larger than the sum of its proper divisors (63249286619).

802024042021 is a wasteful number, since it uses less digits than its factorization.

802024042021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9197364.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 802024042021 its reverse (120240420208), we get a palindrome (922264462229).

The spelling of 802024042021 in words is "eight hundred two billion, twenty-four million, forty-two thousand, twenty-one".

Divisors: 1 29 31 97 899 2813 3007 87203 9197207 266719003 285113417 892129079 8268289093 25871743291 27656001449 802024042021