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378399247380 = 2233572111300073
BaseRepresentation
bin1011000000110100101…
…10100100110000010100
31100011201021221102222000
411200122112210300110
522144430201404010
6445500105035300
736224041350600
oct5403226446024
91304637842860
10378399247380
11136529568230
1261405185b30
13298b542620b
141445946c500
159c9a3807c0
hex581a5a4c14

378399247380 has 288 divisors, whose sum is σ = 1493941034880. Its totient is φ = 78628354560.

The previous prime is 378399247349. The next prime is 378399247409. The reversal of 378399247380 is 83742993873.

378399247380 is a `hidden beast` number, since 3 + 7 + 8 + 3 + 9 + 9 + 247 + 380 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 358977 + ... + 941096.

It is an arithmetic number, because the mean of its divisors is an integer number (5187295260).

Almost surely, 2378399247380 is an apocalyptic number.

378399247380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378399247380 is an abundant number, since it is smaller than the sum of its proper divisors (1115541787500).

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

378399247380 is a wasteful number, since it uses less digits than its factorization.

378399247380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300116 (or 1300101 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 378399247380 in words is "three hundred seventy-eight billion, three hundred ninety-nine million, two hundred forty-seven thousand, three hundred eighty".