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20044550044445 = 517438419651401
BaseRepresentation
bin1001000111010111111000…
…10010001111101100011101
32121222020111011020020201212
410203223330102033230131
510111402214302410240
6110344201132114205
74136112431114243
oct443537422175435
977866434206655
1020044550044445
116428933a37893
1222b8927305965
13b25267c12494
144d4238c40793
1524b611044165
hex123afc48fb1d

20044550044445 has 32 divisors (see below), whose sum is σ = 26063792599680. Its totient is φ = 14739608217600.

The previous prime is 20044550044427. The next prime is 20044550044457. The reversal of 20044550044445 is 54444005544002.

It is not a de Polignac number, because 20044550044445 - 220 = 20044548995869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30445745 + ... + 31097145.

It is an arithmetic number, because the mean of its divisors is an integer number (814493518740).

Almost surely, 220044550044445 is an apocalyptic number.

It is an amenable number.

20044550044445 is a deficient number, since it is larger than the sum of its proper divisors (6019242555235).

20044550044445 is a wasteful number, since it uses less digits than its factorization.

20044550044445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659885.

The product of its (nonzero) digits is 1024000, while the sum is 41.

Adding to 20044550044445 its reverse (54444005544002), we get a palindrome (74488555588447).

The spelling of 20044550044445 in words is "twenty trillion, forty-four billion, five hundred fifty million, forty-four thousand, four hundred forty-five".

Divisors: 1 5 17 43 85 215 731 3655 8419 42095 143123 362017 651401 715615 1810085 3257005 6154289 11073817 28010243 30771445 55369085 140051215 476174131 2380870655 5484145019 27420725095 93230465323 235818235817 466152326615 1179091179085 4008910008889 20044550044445