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142309405392 = 24371161679421
BaseRepresentation
bin1000010010001001001…
…1010011001011010000
3111121022210020211101020
42010202103103023100
54312422201433032
6145213120235440
713165362662430
oct2044223231320
9447283224336
10142309405392
1155397a49640
12236b716bb80
131055c17b16b
146c602282c0
153a7d84eb2c
hex21224d32d0

142309405392 has 320 divisors, whose sum is σ = 472864401408. Its totient is φ = 35811072000.

The previous prime is 142309405363. The next prime is 142309405417. The reversal of 142309405392 is 293504903241.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15100842 + ... + 15110262.

Almost surely, 2142309405392 is an apocalyptic number.

142309405392 is a gapful number since it is divisible by the number (12) 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 142309405392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236432200704).

142309405392 is an abundant number, since it is smaller than the sum of its proper divisors (330554996016).

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

142309405392 is a wasteful number, since it uses less digits than its factorization.

142309405392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578 (or 9572 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 142309405392 in words is "one hundred forty-two billion, three hundred nine million, four hundred five thousand, three hundred ninety-two".