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380928463091 = 1171226212
BaseRepresentation
bin1011000101100010001…
…10110001000011110011
31100102020120002220122222
411202301012301003303
522220120141304331
6450555054551255
736343522340411
oct5426106610363
91312216086588
10380928463091
11137607206450
12619b020852b
1329bc9414667
14146193262b1
159d9742cb7b
hex58b11b10f3

380928463091 has 18 divisors (see below), whose sum is σ = 421654568628. Its totient is φ = 341290894000.

The previous prime is 380928463061. The next prime is 380928463159. The reversal of 380928463091 is 190364829083.

It is a happy number.

It is not a de Polignac number, because 380928463091 - 222 = 380924268787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380928463061) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 145335761 + ... + 145338381.

Almost surely, 2380928463091 is an apocalyptic number.

380928463091 is a deficient number, since it is larger than the sum of its proper divisors (40726105537).

380928463091 is an frugal number, since it uses more digits than its factorization.

380928463091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 380928463091 in words is "three hundred eighty billion, nine hundred twenty-eight million, four hundred sixty-three thousand, ninety-one".

Divisors: 1 11 71 781 2621 5041 28831 55451 186091 2047001 6869641 13212461 75566051 145337071 487744511 5365189621 34629860281 380928463091