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7354680680 = 2355313612549
BaseRepresentation
bin1101101100101111…
…11000010101101000
3200222120010111012202
412312113320111220
5110030244240210
63213444155332
7350153516504
oct66627702550
920876114182
107354680680
1131345864a6
121513098b48
1390293a779
144daac5304
152d0a299a5
hex1b65f8568

7354680680 has 64 divisors (see below), whose sum is σ = 16879266000. Its totient is φ = 2883112960.

The previous prime is 7354680673. The next prime is 7354680689. The reversal of 7354680680 is 860864537.

It can be written as a sum of positive squares in 8 ways, for example, as 4528482436 + 2826198244 = 67294^2 + 53162^2 .

It is a super-3 number, since 3×73546806803 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7354680689) 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, 2884046 + ... + 2886594.

Almost surely, 27354680680 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 7354680680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8439633000).

7354680680 is an abundant number, since it is smaller than the sum of its proper divisors (9524585320).

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

7354680680 is a wasteful number, since it uses less digits than its factorization.

7354680680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974 (or 3970 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 7354680680 is about 85759.4349328399. The cubic root of 7354680680 is about 1944.7089243532.

The spelling of 7354680680 in words is "seven billion, three hundred fifty-four million, six hundred eighty thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 53 106 212 265 424 530 1060 1361 2120 2549 2722 5098 5444 6805 10196 10888 12745 13610 20392 25490 27220 50980 54440 72133 101960 135097 144266 270194 288532 360665 540388 577064 675485 721330 1080776 1350970 1442660 2701940 2885320 3469189 5403880 6938378 13876756 17345945 27753512 34691890 69383780 138767560 183867017 367734034 735468068 919335085 1470936136 1838670170 3677340340 7354680680