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6660040200006 = 233989278266909
BaseRepresentation
bin110000011101010100101…
…0101001000111101000110
3212120200201122121210011210
41200322221111020331012
51333104230242400011
622055325155112250
71255113001434114
oct140725125107506
925520648553153
106660040200006
11213856407a956
128b6915ba2686
13394067b8106b
141904c1dccab4
15b8399d496a6
hex60ea9548f46

6660040200006 has 16 divisors (see below), whose sum is σ = 13323419650800. Its totient is φ = 2219456858208.

The previous prime is 6660040199977. The next prime is 6660040200071. The reversal of 6660040200006 is 6000020400666.

It is a super-2 number, since 2×66600402000062 (a number of 26 digits) 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 7 ways as a sum of consecutive naturals, for example, 139109521 + ... + 139157388.

It is an arithmetic number, because the mean of its divisors is an integer number (832713728175).

Almost surely, 26660040200006 is an apocalyptic number.

6660040200006 is an abundant number, since it is smaller than the sum of its proper divisors (6663379450794).

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

6660040200006 is a wasteful number, since it uses less digits than its factorization.

6660040200006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278270903.

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

The spelling of 6660040200006 in words is "six trillion, six hundred sixty billion, forty million, two hundred thousand, six".

Divisors: 1 2 3 6 3989 7978 11967 23934 278266909 556533818 834800727 1669601454 1110006700001 2220013400002 3330020100003 6660040200006