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2378164631040 = 293351117279137
BaseRepresentation
bin100010100110110101101…
…010000111011000000000
322102100110101022112211000
4202212311222013120000
5302430440121143130
65020302545252000
7333550064555202
oct42466552073000
98370411275730
102378164631040
11837634a32310
12324aa2634000
1314334c1a3043
1483164ac8772
1541cdc967260
hex229b5a87600

2378164631040 has 1920 divisors, whose sum is σ = 9985632307200. Its totient is φ = 531832504320.

The previous prime is 2378164631027. The next prime is 2378164631041. The reversal of 2378164631040 is 401364618732.

2378164631040 is a `hidden beast` number, since 2 + 3 + 7 + 8 + 1 + 6 + 4 + 631 + 0 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378164631041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 17358865852 + ... + 17358865988.

It is an arithmetic number, because the mean of its divisors is an integer number (5200850160).

Almost surely, 22378164631040 is an apocalyptic number.

2378164631040 is a gapful number since it is divisible by the number (20) 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 2378164631040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4992816153600).

2378164631040 is an abundant number, since it is smaller than the sum of its proper divisors (7607467676160).

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

2378164631040 is a wasteful number, since it uses less digits than its factorization.

2378164631040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 2378164631040 in words is "two trillion, three hundred seventy-eight billion, one hundred sixty-four million, six hundred thirty-one thousand, forty".