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380161638486 = 2327371094211777
BaseRepresentation
bin1011000100000110110…
…01100100000001010110
31100100021010012012001200
411202003121210001112
522212032334412421
6450351023133330
736315521416230
oct5420331440126
91310233165050
10380161638486
11137253374803
1261817444246
1329b065a8ba6
1414585555250
159d4ee5a726
hex5883664056

380161638486 has 192 divisors, whose sum is σ = 978532114560. Its totient is φ = 104404930560.

The previous prime is 380161638473. The next prime is 380161638497. The reversal of 380161638486 is 684836161083.

380161638486 is a `hidden beast` number, since 380 + 161 + 63 + 8 + 48 + 6 = 666.

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, 213933630 + ... + 213935406.

It is an arithmetic number, because the mean of its divisors is an integer number (5096521430).

Almost surely, 2380161638486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380161638486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489266057280).

380161638486 is an abundant number, since it is smaller than the sum of its proper divisors (598370476074).

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

380161638486 is a wasteful number, since it uses less digits than its factorization.

380161638486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359 (or 2356 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 380161638486 in words is "three hundred eighty billion, one hundred sixty-one million, six hundred thirty-eight thousand, four hundred eighty-six".