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381023895894 = 23471351148567
BaseRepresentation
bin1011000101101101100…
…10110100000101010110
31100102111012200101212020
411202312302310011112
522220314104132034
6451012344234010
736346061451225
oct5426662640526
91312435611766
10381023895894
11137656068534
1261a1816b906
1329c13119385
1414627c88cbc
159da09ce249
hex58b6cb4156

381023895894 has 16 divisors (see below), whose sum is σ = 778261575168. Its totient is φ = 124305668072.

The previous prime is 381023895881. The next prime is 381023895907. The reversal of 381023895894 is 498598320183.

It is an interprime number because it is at equal distance from previous prime (381023895881) and next prime (381023895907).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675574002 + ... + 675574565.

It is an arithmetic number, because the mean of its divisors is an integer number (48641348448).

Almost surely, 2381023895894 is an apocalyptic number.

381023895894 is an abundant number, since it is smaller than the sum of its proper divisors (397237679274).

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

381023895894 is a wasteful number, since it uses less digits than its factorization.

381023895894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351148619.

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 381023895894 in words is "three hundred eighty-one billion, twenty-three million, eight hundred ninety-five thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 47 94 141 282 1351148567 2702297134 4053445701 8106891402 63503982649 127007965298 190511947947 381023895894