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380127616509 = 3131749961747
BaseRepresentation
bin1011000100000010101…
…11110001110111111101
31100100011202011200200110
411202001113301313331
522212000132212014
6450343410020233
736314626266624
oct5420127616775
91310152150613
10380127616509
11137236147573
1261807b77679
1329acc526344
1414580c1a6bb
159d4be89d59
hex58815f1dfd

380127616509 has 8 divisors (see below), whose sum is σ = 506841196000. Its totient is φ = 253416224016.

The previous prime is 380127616501. The next prime is 380127616513. The reversal of 380127616509 is 905616721083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 380127616509 - 23 = 380127616501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380127616501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85627 + ... + 876120.

It is an arithmetic number, because the mean of its divisors is an integer number (63355149500).

Almost surely, 2380127616509 is an apocalyptic number.

It is an amenable number.

380127616509 is a deficient number, since it is larger than the sum of its proper divisors (126713579491).

380127616509 is a wasteful number, since it uses less digits than its factorization.

380127616509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093499.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 380127616509 in words is "three hundred eighty billion, one hundred twenty-seven million, six hundred sixteen thousand, five hundred nine".

Divisors: 1 3 131749 395247 961747 2885241 126709205503 380127616509