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2928103719021 = 321327127114331
BaseRepresentation
bin101010100111000000100…
…101010000000001101101
3101100220221120201210002200
4222213000211100001231
5340433224023002041
610121052520412113
7421356065644335
oct52470045200155
911326846653080
102928103719021
11a29890239748
123b35a0017039
13183171584700
14a1a145040c5
155127790c1b6
hex2a9c095006d

2928103719021 has 36 divisors (see below), whose sum is σ = 4644359699616. Its totient is φ = 1776530901600.

The previous prime is 2928103719017. The next prime is 2928103719067. The reversal of 2928103719021 is 1209173018292.

It is not a de Polignac number, because 2928103719021 - 22 = 2928103719017 is a prime.

It is a super-2 number, since 2×29281037190212 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928103719091) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13449175 + ... + 13665156.

It is an arithmetic number, because the mean of its divisors is an integer number (129009991656).

Almost surely, 22928103719021 is an apocalyptic number.

It is an amenable number.

2928103719021 is a deficient number, since it is larger than the sum of its proper divisors (1716255980595).

2928103719021 is a wasteful number, since it uses less digits than its factorization.

2928103719021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27114434 (or 27114418 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 2928103719021 in words is "two trillion, nine hundred twenty-eight billion, one hundred three million, seven hundred nineteen thousand, twenty-one".

Divisors: 1 3 9 13 39 71 117 169 213 507 639 923 1521 2769 8307 11999 35997 107991 27114331 81342993 244028979 352486303 1057458909 1925117501 3172376727 4582321939 5775352503 13746965817 17326057509 25026527513 41240897451 75079582539 225238747617 325344857669 976034573007 2928103719021