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378538868332800 = 28335272711633863
BaseRepresentation
bin101011000010001110111001…
…0110001111101100100000000
31211122021221222120210100201000
41112010131302301331210000
5344103440100243122200
63421030204434212000
7142506350016425400
oct12604356261754400
91748257876710630
10378538868332800
11aa68348375aa6a
1236557451124000
131332b0a6615516
146969543d08800
152db69e8396300
hex1584772c7d900

378538868332800 has 2592 divisors, whose sum is σ = 1647900187637760. Its totient is φ = 84759246028800.

The previous prime is 378538868332783. The next prime is 378538868332817. The reversal of 378538868332800 is 8233868835873.

378538868332800 is a `hidden beast` number, since 3 + 7 + 8 + 538 + 8 + 6 + 8 + 3 + 3 + 2 + 80 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (378538868332783) and next prime (378538868332817).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 97990903669 + ... + 97990907531.

It is an arithmetic number, because the mean of its divisors is an integer number (635763961280).

Almost surely, 2378538868332800 is an apocalyptic number.

378538868332800 is a gapful number since it is divisible by the number (30) 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 378538868332800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823950093818880).

378538868332800 is an abundant number, since it is smaller than the sum of its proper divisors (1269361319304960).

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

378538868332800 is a wasteful number, since it uses less digits than its factorization.

378538868332800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146 (or 4114 counting only the distinct ones).

The product of its (nonzero) digits is 1114767360, while the sum is 72.

The spelling of 378538868332800 in words is "three hundred seventy-eight trillion, five hundred thirty-eight billion, eight hundred sixty-eight million, three hundred thirty-two thousand, eight hundred".