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378489080970 = 2335711131400411
BaseRepresentation
bin1011000000111111011…
…01010000110010001010
31100011221112222110111000
411200133231100302022
522200121201042340
6445513034315430
736226212051240
oct5403755206212
91304845873430
10378489080970
11136575245570
126142b288b76
13298cac1a4a0
1414467374790
159ca31c7d30
hex581fb50c8a

378489080970 has 256 divisors, whose sum is σ = 1355150684160. Its totient is φ = 72597254400.

The previous prime is 378489080969. The next prime is 378489080999. The reversal of 378489080970 is 79080984873.

378489080970 is a `hidden beast` number, since 3 + 7 + 8 + 489 + 0 + 80 + 9 + 70 = 666.

It is a super-2 number, since 2×3784890809702 (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 378489080898 and 378489080907.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 429936 + ... + 970475.

It is an arithmetic number, because the mean of its divisors is an integer number (5293557360).

Almost surely, 2378489080970 is an apocalyptic number.

378489080970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

378489080970 is an abundant number, since it is smaller than the sum of its proper divisors (976661603190).

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

378489080970 is a wasteful number, since it uses less digits than its factorization.

378489080970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400458 (or 1400452 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 378489080970 in words is "three hundred seventy-eight billion, four hundred eighty-nine million, eighty thousand, nine hundred seventy".