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8013468072 = 2331312548813
BaseRepresentation
bin1110111011010001…
…11101000110101000
3202200110202100121210
413131220331012220
5112402421434242
63403100233120
7402403232451
oct73550750650
922613670553
108013468072
113442437195
12167783b7a0
139a927a3ac
145603b2128
1531d7aad9c
hex1dda3d1a8

8013468072 has 32 divisors (see below), whose sum is σ = 20186606880. Its totient is φ = 2650764480.

The previous prime is 8013468059. The next prime is 8013468077. The reversal of 8013468072 is 2708643108.

It is a self number, because there is not a number n which added to its sum of digits gives 8013468072.

It is not an unprimeable number, because it can be changed into a prime (8013468077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271263 + ... + 1277550.

It is an arithmetic number, because the mean of its divisors is an integer number (630831465).

Almost surely, 28013468072 is an apocalyptic number.

It is an amenable number.

8013468072 is an abundant number, since it is smaller than the sum of its proper divisors (12173138808).

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

8013468072 is a wasteful number, since it uses less digits than its factorization.

8013468072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548953 (or 2548949 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 8013468072 is about 89517.9762505833. The cubic root of 8013468072 is about 2001.1217100989.

The spelling of 8013468072 in words is "eight billion, thirteen million, four hundred sixty-eight thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 131 262 393 524 786 1048 1572 3144 2548813 5097626 7646439 10195252 15292878 20390504 30585756 61171512 333894503 667789006 1001683509 1335578012 2003367018 2671156024 4006734036 8013468072