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380144775857 = 71116330288007
BaseRepresentation
bin1011000100000100110…
…01001111001010110001
31100100012221110110212212
411202002121033022301
522212014030311412
6450345221501505
736315225165110
oct5420231171261
91310187413785
10380144775857
111372448a7650
1261811871895
1329b02c537c2
1414583205c77
159d4d729222
hex588264f2b1

380144775857 has 16 divisors (see below), whose sum is σ = 476854397952. Its totient is φ = 294399418320.

The previous prime is 380144775811. The next prime is 380144775947. The reversal of 380144775857 is 758577441083.

It is a happy number.

It is not a de Polignac number, because 380144775857 - 210 = 380144774833 is a prime.

It is a super-2 number, since 2×3801447758572 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 380144775796 and 380144775805.

It is not an unprimeable number, because it can be changed into a prime (380144715857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15131453 + ... + 15156554.

It is an arithmetic number, because the mean of its divisors is an integer number (29803399872).

Almost surely, 2380144775857 is an apocalyptic number.

It is an amenable number.

380144775857 is a deficient number, since it is larger than the sum of its proper divisors (96709622095).

380144775857 is a wasteful number, since it uses less digits than its factorization.

380144775857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30288188.

The product of its (nonzero) digits is 26342400, while the sum is 59.

The spelling of 380144775857 in words is "three hundred eighty billion, one hundred forty-four million, seven hundred seventy-five thousand, eight hundred fifty-seven".

Divisors: 1 7 11 77 163 1141 1793 12551 30288007 212016049 333168077 2332176539 4936945141 34558615987 54306396551 380144775857