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890958666252 = 22374246555521
BaseRepresentation
bin11001111011100010100…
…01100101101000001100
310011011201102220201222110
430331301101211220030
5104044140404310002
61521144544144020
7121240533464634
oct14756121455014
93134642821873
10890958666252
11313942a37a46
12124810308010
136602b596195
14311a06d16c4
15182988d7e6c
hexcf71465a0c

890958666252 has 12 divisors (see below), whose sum is σ = 2078903554616. Its totient is φ = 296986222080.

The previous prime is 890958666251. The next prime is 890958666307. The reversal of 890958666252 is 252666859098.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (890958666251) 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 3 ways as a sum of consecutive naturals, for example, 37123277749 + ... + 37123277772.

Almost surely, 2890958666252 is an apocalyptic number.

It is an amenable number.

890958666252 is an abundant number, since it is smaller than the sum of its proper divisors (1187944888364).

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

890958666252 is a wasteful number, since it uses less digits than its factorization.

890958666252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74246555528 (or 74246555526 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 66.

The spelling of 890958666252 in words is "eight hundred ninety billion, nine hundred fifty-eight million, six hundred sixty-six thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 74246555521 148493111042 222739666563 296986222084 445479333126 890958666252