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380161638243 = 32313307412031
BaseRepresentation
bin1011000100000110110…
…01100011111101100011
31100100021010012011201200
411202003121203331203
522212032334410433
6450351023132243
736315521415432
oct5420331437543
91310233164650
10380161638243
11137253374602
1261817444083
1329b065a8a4a
1414585555119
159d4ee5a613
hex5883663f63

380161638243 has 24 divisors (see below), whose sum is σ = 567008772096. Its totient is φ = 245190812400.

The previous prime is 380161638229. The next prime is 380161638281. The reversal of 380161638243 is 342836161083.

380161638243 is a `hidden beast` number, since 3 + 8 + 0 + 1 + 6 + 1 + 638 + 2 + 4 + 3 = 666.

380161638243 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 380161638243 - 25 = 380161638211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380161638343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716638 + ... + 1128668.

It is an arithmetic number, because the mean of its divisors is an integer number (23625365504).

Almost surely, 2380161638243 is an apocalyptic number.

380161638243 is a deficient number, since it is larger than the sum of its proper divisors (186847133853).

380161638243 is a wasteful number, since it uses less digits than its factorization.

380161638243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415375 (or 415372 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 380161638243 in words is "three hundred eighty billion, one hundred sixty-one million, six hundred thirty-eight thousand, two hundred forty-three".

Divisors: 1 3 9 31 93 279 3307 9921 29763 102517 307551 412031 922653 1236093 3708279 12772961 38318883 114956649 1362586517 4087759551 12263278653 42240182027 126720546081 380161638243