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1850234394431 = 81114503157307
BaseRepresentation
bin11010111011001010100…
…100000101011100111111
320112212210000102210210202
4122323022210011130333
5220303240001110211
63533552544154115
7250450350601343
oct32731244053477
96485700383722
101850234394431
11653753097745
1225a70790893b
13105626722457
14657a22b5623
15331dec9d53b
hex1aeca90573f

1850234394431 has 8 divisors (see below), whose sum is σ = 1852655328384. Its totient is φ = 1847813805720.

The previous prime is 1850234394403. The next prime is 1850234394473. The reversal of 1850234394431 is 1344934320581.

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

It is a cyclic number.

It is not a de Polignac number, because 1850234394431 - 218 = 1850234132287 is a prime.

It is a super-2 number, since 2×18502343944312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1850234394131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11683280 + ... + 11840586.

It is an arithmetic number, because the mean of its divisors is an integer number (231581916048).

Almost surely, 21850234394431 is an apocalyptic number.

1850234394431 is a deficient number, since it is larger than the sum of its proper divisors (2420933953).

1850234394431 is a wasteful number, since it uses less digits than its factorization.

1850234394431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172621.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 1850234394431 in words is "one trillion, eight hundred fifty billion, two hundred thirty-four million, three hundred ninety-four thousand, four hundred thirty-one".

Divisors: 1 811 14503 157307 11761933 127575977 2281423421 1850234394431