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802416730921 = 131131992744891
BaseRepresentation
bin10111010110100111100…
…00111010001100101001
32211201011210122101120021
423223103300322030221
5101121322140342141
61412343011200441
7111654430450531
oct13532360721451
92751153571507
10802416730921
1128a337364483
1210b61b8a6121
135a88a872780
142aba12dc4c1
1515d155706d1
hexbad3c3a329

802416730921 has 16 divisors (see below), whose sum is σ = 876169526400. Its totient is φ = 730448167680.

The previous prime is 802416730897. The next prime is 802416730957. The reversal of 802416730921 is 129037614208.

It is a cyclic number.

It is not a de Polignac number, because 802416730921 - 25 = 802416730889 is a prime.

It is a super-2 number, since 2×8024167309212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802416730981) 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, 1080115 + ... + 1664776.

It is an arithmetic number, because the mean of its divisors is an integer number (54760595400).

Almost surely, 2802416730921 is an apocalyptic number.

It is an amenable number.

802416730921 is a deficient number, since it is larger than the sum of its proper divisors (73752795479).

802416730921 is a wasteful number, since it uses less digits than its factorization.

802416730921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745216.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 802416730921 in words is "eight hundred two billion, four hundred sixteen million, seven hundred thirty thousand, nine hundred twenty-one".

Divisors: 1 13 113 199 1469 2587 22487 292331 2744891 35683583 310172683 546233309 4032244879 7101033017 61724363917 802416730921