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69962891136 = 273233128243
BaseRepresentation
bin100000100101000011…
…1001111111110000000
320200120211112010002020
41001022013033332000
52121241000004021
652050203321440
75024513522355
oct1011207177600
9220524463066
1069962891136
1127742256696
1211686520280
13679c853a48
143559b1662c
151c472307c6
hex104a1cff80

69962891136 has 192 divisors, whose sum is σ = 200400428160. Its totient is φ = 21584808960.

The previous prime is 69962891129. The next prime is 69962891147. The reversal of 69962891136 is 63119826996.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×699628911362 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69962891136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8483431 + ... + 8491673.

It is an arithmetic number, because the mean of its divisors is an integer number (1043752230).

Almost surely, 269962891136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69962891136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100200214080).

69962891136 is an abundant number, since it is smaller than the sum of its proper divisors (130437537024).

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

69962891136 is a wasteful number, since it uses less digits than its factorization.

69962891136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8345 (or 8302 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 60.

The spelling of 69962891136 in words is "sixty-nine billion, nine hundred sixty-two million, eight hundred ninety-one thousand, one hundred thirty-six".