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66383200002 = 2371580552381
BaseRepresentation
bin111101110100101111…
…110011111100000010
320100100100200222000010
4331310233303330002
52041423044400002
650255050205350
74540015614150
oct756457637402
9210310628003
1066383200002
1126175649769
1210a47723856
13634c034802
1432da5323d0
151ad7d3146c
hexf74bf3f02

66383200002 has 16 divisors (see below), whose sum is σ = 151733028672. Its totient is φ = 18966628560.

The previous prime is 66383199983. The next prime is 66383200003. The reversal of 66383200002 is 20000238366.

It is not an unprimeable number, because it can be changed into a prime (66383200003) 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, 790276149 + ... + 790276232.

It is an arithmetic number, because the mean of its divisors is an integer number (9483314292).

Almost surely, 266383200002 is an apocalyptic number.

66383200002 is an abundant number, since it is smaller than the sum of its proper divisors (85349828670).

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

66383200002 is a wasteful number, since it uses less digits than its factorization.

66383200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580552393.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 66383200002 its reverse (20000238366), we get a palindrome (86383438368).

The spelling of 66383200002 in words is "sixty-six billion, three hundred eighty-three million, two hundred thousand, two".

Divisors: 1 2 3 6 7 14 21 42 1580552381 3161104762 4741657143 9483314286 11063866667 22127733334 33191600001 66383200002