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6978096224 = 2511232273797
BaseRepresentation
bin1100111111110110…
…10100110001100000
3200000022112000110022
412133323110301200
5103242343034344
63112232453012
7334631560601
oct63773246140
920008460408
106978096224
112a60a53a80
121428b4a168
13872907128
144a2a97da8
152ac93e0ee
hex19fed4c60

6978096224 has 96 divisors (see below), whose sum is σ = 15711687936. Its totient is φ = 3019793920.

The previous prime is 6978096197. The next prime is 6978096239. The reversal of 6978096224 is 4226908796.

It is a Cunningham number, because it is equal to 835352-1.

It is a super-2 number, since 2×69780962242 = 97387653822806116352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1835894 + ... + 1839690.

It is an arithmetic number, because the mean of its divisors is an integer number (163663416).

Almost surely, 26978096224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6978096224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7855843968).

6978096224 is an abundant number, since it is smaller than the sum of its proper divisors (8733591712).

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

6978096224 is a wasteful number, since it uses less digits than its factorization.

6978096224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068 (or 4060 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 6978096224 is about 83534.9999940145. Note that the first 5 decimals coincide. The cubic root of 6978096224 is about 1910.9338401083.

The spelling of 6978096224 in words is "six billion, nine hundred seventy-eight million, ninety-six thousand, two hundred twenty-four".

Divisors: 1 2 4 8 11 16 22 23 32 44 46 88 92 176 184 227 253 352 368 454 506 736 908 1012 1816 2024 2497 3632 3797 4048 4994 5221 7264 7594 8096 9988 10442 15188 19976 20884 30376 39952 41767 41768 57431 60752 79904 83534 83536 87331 114862 121504 167068 167072 174662 229724 334136 349324 459448 668272 698648 861919 918896 960641 1336544 1397296 1723838 1837792 1921282 2794592 3447676 3842564 6895352 7685128 9481109 13790704 15370256 18962218 19824137 27581408 30740512 37924436 39648274 75848872 79296548 151697744 158593096 218065507 303395488 317186192 436131014 634372384 872262028 1744524056 3489048112 6978096224