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20044411548 = 22371491601503
BaseRepresentation
bin10010101010101111…
…010111001010011100
31220201221002121102220
4102222233113022130
5312022332132143
613112553145340
71306501454430
oct225257271234
956657077386
1020044411548
118556603087
123a749bb250
131b75957465
14d821669c0
157c4aded83
hex4aabd729c

20044411548 has 48 divisors (see below), whose sum is σ = 53810534400. Its totient is φ = 5688535104.

The previous prime is 20044411547. The next prime is 20044411559. The reversal of 20044411548 is 84511444002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044411547) 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 15 ways as a sum of consecutive naturals, for example, 788236 + ... + 813267.

It is an arithmetic number, because the mean of its divisors is an integer number (1121052800).

Almost surely, 220044411548 is an apocalyptic number.

20044411548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20044411548 is an abundant number, since it is smaller than the sum of its proper divisors (33766122852).

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

20044411548 is a wasteful number, since it uses less digits than its factorization.

20044411548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601666 (or 1601664 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The spelling of 20044411548 in words is "twenty billion, forty-four million, four hundred eleven thousand, five hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 149 298 447 596 894 1043 1788 2086 3129 4172 6258 12516 1601503 3203006 4804509 6406012 9609018 11210521 19218036 22421042 33631563 44842084 67263126 134526252 238623947 477247894 715871841 954495788 1431743682 1670367629 2863487364 3340735258 5011102887 6681470516 10022205774 20044411548