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378621672132 = 22311191311995791
BaseRepresentation
bin1011000001001111001…
…11000011101011000100
31100012021210110210100210
411200213213003223010
522200404122002012
6445534132235420
736232412053344
oct5404747035304
91305253423323
10378621672132
11136633077240
126146776bb70
132991c5324b2
141447ac0ad24
159caeb6923c
hex58279c3ac4

378621672132 has 192 divisors, whose sum is σ = 1027547136000. Its totient is φ = 107304912000.

The previous prime is 378621672101. The next prime is 378621672133. The reversal of 378621672132 is 231276126873.

It is not an unprimeable number, because it can be changed into a prime (378621672133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65378157 + ... + 65383947.

It is an arithmetic number, because the mean of its divisors is an integer number (5351808000).

Almost surely, 2378621672132 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 378621672132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513773568000).

378621672132 is an abundant number, since it is smaller than the sum of its proper divisors (648925463868).

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

378621672132 is a wasteful number, since it uses less digits than its factorization.

378621672132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158 (or 6156 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The spelling of 378621672132 in words is "three hundred seventy-eight billion, six hundred twenty-one million, six hundred seventy-two thousand, one hundred thirty-two".