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28053300780808 = 2319320878705911
BaseRepresentation
bin1100110000011101010110…
…00001110001111100001000
310200022212110202200010011221
412120032223001301330020
512134111124444441213
6135355301454531424
75623532642140432
oct630165301617410
9120285422603157
1028053300780808
118a36379a40846
123190b01806b74
131286551741444
146cdb0376b652
15339ae634a38d
hex1983ab071f08

28053300780808 has 32 divisors (see below), whose sum is σ = 52897817784960. Its totient is φ = 13947285703680.

The previous prime is 28053300780797. The next prime is 28053300780847. The reversal of 28053300780808 is 80808700335082.

It is a super-2 number, since 2×280533007808082 (a number of 28 digits) contains 22 as substring.

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, 1130628 + ... + 7575283.

It is an arithmetic number, because the mean of its divisors is an integer number (1653056805780).

Almost surely, 228053300780808 is an apocalyptic number.

It is an amenable number.

28053300780808 is a deficient number, since it is larger than the sum of its proper divisors (24844517004152).

28053300780808 is a wasteful number, since it uses less digits than its factorization.

28053300780808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708197 (or 8708193 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 28053300780808 in words is "twenty-eight trillion, fifty-three billion, three hundred million, seven hundred eighty thousand, eight hundred eight".

Divisors: 1 2 4 8 193 386 772 1544 2087 4174 8348 16696 402791 805582 1611164 3222328 8705911 17411822 34823644 69647288 1680240823 3360481646 6720963292 13441926584 18169236257 36338472514 72676945028 145353890056 3506662597601 7013325195202 14026650390404 28053300780808