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80431066013408 = 2511228497346629
BaseRepresentation
bin10010010010011011010001…
…000111100101111011100000
3101112210010122021121101110222
4102102123101013211323200
541020240310344412113
6443021304401142212
722640644536562115
oct2222332107457340
9345703567541428
1080431066013408
112369a694a27190
1290300b532a968
1335b58036768c6
1415c0c549b490c
159472e382be08
hex4926d11e5ee0

80431066013408 has 24 divisors (see below), whose sum is σ = 172743994052280. Its totient is φ = 36559575460480.

The previous prime is 80431066013401. The next prime is 80431066013429.

80431066013408 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80431066013401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114248672963 + ... + 114248673666.

It is an arithmetic number, because the mean of its divisors is an integer number (7197666418845).

Almost surely, 280431066013408 is an apocalyptic number.

80431066013408 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

80431066013408 is an abundant number, since it is smaller than the sum of its proper divisors (92312928038872).

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

80431066013408 is a wasteful number, since it uses less digits than its factorization.

80431066013408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228497346650 (or 228497346642 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 80431066013408 in words is "eighty trillion, four hundred thirty-one billion, sixty-six million, thirteen thousand, four hundred eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 228497346629 456994693258 913989386516 1827978773032 2513470812919 3655957546064 5026941625838 7311915092128 10053883251676 20107766503352 40215533006704 80431066013408