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2031729485085 = 3253741833111153
BaseRepresentation
bin11101100100001100100…
…000111010010100011101
321012020020201110200212100
4131210030200322110131
5231241440222010320
64153210313555313
7266534102451336
oct35441440722435
97166221420770
102031729485085
11713719366633
1228991a115b39
1311978c02a511
147049c89728d
1537cb3881790
hex1d90c83a51d

2031729485085 has 192 divisors, whose sum is σ = 3765019055616. Its totient is φ = 1012049510400.

The previous prime is 2031729485083. The next prime is 2031729485101. The reversal of 2031729485085 is 5805849271302.

2031729485085 is a `hidden beast` number, since 20 + 3 + 1 + 72 + 9 + 48 + 508 + 5 = 666.

It is not a de Polignac number, because 2031729485085 - 21 = 2031729485083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031729485083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1762123869 + ... + 1762125021.

It is an arithmetic number, because the mean of its divisors is an integer number (19609474248).

Almost surely, 22031729485085 is an apocalyptic number.

It is an amenable number.

2031729485085 is a deficient number, since it is larger than the sum of its proper divisors (1733289570531).

2031729485085 is a wasteful number, since it uses less digits than its factorization.

2031729485085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1633 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 2031729485085 in words is "two trillion, thirty-one billion, seven hundred twenty-nine million, four hundred eighty-five thousand, eighty-five".