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68260602009600 = 211385272111329
BaseRepresentation
bin11111000010101001010001…
…11011110101100000000000
322221200122112201102200000000
433201110220323311200000
532421340203103301400
6401102253200000000
720243444231455500
oct1741245073654000
9287618481380000
1068260602009600
111a8281823142a0
1277a5441600000
132c11c40b6c1a0
1412bdb8b897a00
157d59354a8600
hex3e1528ef5800

68260602009600 has 7776 divisors, whose sum is σ = 358889063223600. Its totient is φ = 12641461862400.

The previous prime is 68260602009547. The next prime is 68260602009617. The reversal of 68260602009600 is 690020606286.

It is a tau number, because it is divible by the number of its divisors (7776).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 647 ways as a sum of consecutive naturals, for example, 2353813862386 + ... + 2353813862414.

Almost surely, 268260602009600 is an apocalyptic number.

68260602009600 is a gapful number since it is divisible by the number (60) 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 68260602009600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179444531611800).

68260602009600 is an abundant number, since it is smaller than the sum of its proper divisors (290628461214000).

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

68260602009600 is a wasteful number, since it uses less digits than its factorization.

68260602009600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 68260602009600 in words is "sixty-eight trillion, two hundred sixty billion, six hundred two million, nine thousand, six hundred".