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6988028812941 = 311375723201321
BaseRepresentation
bin110010110110000011011…
…1110011001111010001101
3220202001022202001122221210
41211230012332121322031
51403442440334003231
622510131153245033
71320603603566211
oct145540676317215
926661282048853
106988028812941
1122546740a6320
1294a3b0863779
133b8c784416a7
141a2318398941
15c1b94770a46
hex65b06f99e8d

6988028812941 has 16 divisors (see below), whose sum is σ = 10439119211328. Its totient is φ = 4120704950400.

The previous prime is 6988028812931. The next prime is 6988028812943. The reversal of 6988028812941 is 1492188208896.

It is not a de Polignac number, because 6988028812941 - 25 = 6988028812909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6988028812943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2861599440 + ... + 2861601881.

It is an arithmetic number, because the mean of its divisors is an integer number (652444950708).

Almost surely, 26988028812941 is an apocalyptic number.

It is an amenable number.

6988028812941 is a deficient number, since it is larger than the sum of its proper divisors (3451090398387).

6988028812941 is a wasteful number, since it uses less digits than its factorization.

6988028812941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723201372.

The product of its (nonzero) digits is 31850496, while the sum is 66.

The spelling of 6988028812941 in words is "six trillion, nine hundred eighty-eight billion, twenty-eight million, eight hundred twelve thousand, nine hundred forty-one".

Divisors: 1 3 11 33 37 111 407 1221 5723201321 17169603963 62955214531 188865643593 211758448877 635275346631 2329342937647 6988028812941