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8536948640 = 2551123316803
BaseRepresentation
bin1111111001101011…
…10111111110100000
3211000221202220221222
413330311313332200
5114440424324030
63531040234212
7421360603043
oct77465677640
924027686858
108536948640
113690980960
1217a300b968
13a60863bcc
145adb1ac5a
1534e7113e5
hex1fcd77fa0

8536948640 has 192 divisors, whose sum is σ = 23702740992. Its totient is φ = 2873164800.

The previous prime is 8536948603. The next prime is 8536948661. The reversal of 8536948640 is 468496358.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1251479 + ... + 1258281.

It is an arithmetic number, because the mean of its divisors is an integer number (123451776).

Almost surely, 28536948640 is an apocalyptic number.

8536948640 is a gapful number since it is divisible by the number (80) 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 8536948640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11851370496).

8536948640 is an abundant number, since it is smaller than the sum of its proper divisors (15165792352).

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

8536948640 is a wasteful number, since it uses less digits than its factorization.

8536948640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6883 (or 6875 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 53.

The square root of 8536948640 is about 92395.6094194957. The cubic root of 8536948640 is about 2043.7803668455.

The spelling of 8536948640 in words is "eight billion, five hundred thirty-six million, nine hundred forty-eight thousand, six hundred forty".