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1831490745018 = 231127749859773
BaseRepresentation
bin11010101001101101010…
…110101111001010111010
320111002101201221202120020
4122221231112233022322
5220001343112320033
63521213014511310
7246215022320214
oct32515526571272
96432351852506
101831490745018
116468048624a0
12256b56665536
1310392a40bb3c
1464904bcb5b4
153299449e6b3
hex1aa6d5af2ba

1831490745018 has 16 divisors (see below), whose sum is σ = 3995979807456. Its totient is φ = 554997195440.

The previous prime is 1831490745017. The next prime is 1831490745067. The reversal of 1831490745018 is 8105470941381.

It is not an unprimeable number, because it can be changed into a prime (1831490745017) 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, 13874929821 + ... + 13874929952.

It is an arithmetic number, because the mean of its divisors is an integer number (249748737966).

Almost surely, 21831490745018 is an apocalyptic number.

1831490745018 is an abundant number, since it is smaller than the sum of its proper divisors (2164489062438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1831490745018 is a wasteful number, since it uses less digits than its factorization.

1831490745018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27749859789.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 1831490745018 in words is "one trillion, eight hundred thirty-one billion, four hundred ninety million, seven hundred forty-five thousand, eighteen".

Divisors: 1 2 3 6 11 22 33 66 27749859773 55499719546 83249579319 166499158638 305248457503 610496915006 915745372509 1831490745018