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488988889884 = 2232111234820429
BaseRepresentation
bin1110001110110100000…
…00100101001100011100
31201202011110212100210100
413013122000211030130
531002422123434014
61012345520541100
750220412661445
oct7073200451434
91652143770710
10488988889884
111794195314a0
127a929481790
133715ab334c1
141994aaa02cc
15cabe0ec009
hex71da02531c

488988889884 has 36 divisors (see below), whose sum is σ = 1348423909560. Its totient is φ = 148178451360.

The previous prime is 488988889861. The next prime is 488988889901.

488988889884 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4889888898842 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 488988889794 and 488988889803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 617409819 + ... + 617410610.

It is an arithmetic number, because the mean of its divisors is an integer number (37456219710).

Almost surely, 2488988889884 is an apocalyptic number.

488988889884 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

488988889884 is an abundant number, since it is smaller than the sum of its proper divisors (859435019676).

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

488988889884 is a wasteful number, since it uses less digits than its factorization.

488988889884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234820450 (or 1234820445 counting only the distinct ones).

The product of its digits is 21743271936, while the sum is 90.

The spelling of 488988889884 in words is "four hundred eighty-eight billion, nine hundred eighty-eight million, eight hundred eighty-nine thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 1234820429 2469640858 3704461287 4939281716 7408922574 11113383861 13583024719 14817845148 22226767722 27166049438 40749074157 44453535444 54332098876 81498148314 122247222471 162996296628 244494444942 488988889884