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2798118972 = 2233116013919
BaseRepresentation
bin1010011011000111…
…1110100000111100
321020000011011122000
42212301332200330
521212304301342
61141353222300
7126224422155
oct24661764074
97200134560
102798118972
111206513220
12661101990
1335791bccc
141c789492c
151159b744c
hexa6c7e83c

2798118972 has 96 divisors (see below), whose sum is σ = 7929062400. Its totient is φ = 846288000.

The previous prime is 2798118949. The next prime is 2798118977.

2798118972 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (1016064) is a multiple of the sum of its prime divisors (4536).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798118977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 712029 + ... + 715947.

It is an arithmetic number, because the mean of its divisors is an integer number (82594400).

Almost surely, 22798118972 is an apocalyptic number.

2798118972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2798118972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3964531200).

2798118972 is an abundant number, since it is smaller than the sum of its proper divisors (5130943428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2798118972 is a wasteful number, since it uses less digits than its factorization.

2798118972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544 (or 4536 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 54.

The square root of 2798118972 is about 52897.2491912387. The cubic root of 2798118972 is about 1409.1440527028.

The spelling of 2798118972 in words is "two billion, seven hundred ninety-eight million, one hundred eighteen thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 132 198 297 396 594 601 1188 1202 1803 2404 3606 3919 5409 6611 7212 7838 10818 11757 13222 15676 16227 19833 21636 23514 26444 32454 35271 39666 43109 47028 59499 64908 70542 79332 86218 105813 118998 129327 141084 172436 178497 211626 237996 258654 356994 387981 423252 517308 713988 775962 1163943 1551924 2327886 2355319 4655772 4710638 7065957 9421276 14131914 21197871 25908509 28263828 42395742 51817018 63593613 77725527 84791484 103634036 127187226 155451054 233176581 254374452 310902108 466353162 699529743 932706324 1399059486 2798118972