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83378615310129 = 3231125514714363
BaseRepresentation
bin10010111101010100011000…
…101111110101011100110001
3101221012220210001121212102010
4102331110120233311130301
541412033401004411004
6453155335044113133
723363622546323016
oct2275243057653461
9357186701555363
1083378615310129
11246267437371a7
1294274016957a9
13376a7537a78b9
1416837918bd70d
15998d0848ba89
hex4bd518bf5731

83378615310129 has 16 divisors (see below), whose sum is σ = 111263214470144. Its totient is φ = 55539898722000.

The previous prime is 83378615310103. The next prime is 83378615310167. The reversal of 83378615310129 is 92101351687338.

It is not a de Polignac number, because 83378615310129 - 224 = 83378598532913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83378615315129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15328902 + ... + 20043264.

It is an arithmetic number, because the mean of its divisors is an integer number (6953950904384).

Almost surely, 283378615310129 is an apocalyptic number.

It is an amenable number.

83378615310129 is a deficient number, since it is larger than the sum of its proper divisors (27884599160015).

83378615310129 is a wasteful number, since it uses less digits than its factorization.

83378615310129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719228.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 83378615310129 in words is "eighty-three trillion, three hundred seventy-eight billion, six hundred fifteen million, three hundred ten thousand, one hundred twenty-nine".

Divisors: 1 3 2311 2551 6933 7653 4714363 5895361 14143089 17686083 10894892893 12026340013 32684678679 36079020039 27792871770043 83378615310129