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83287450704405 = 3517931019534713
BaseRepresentation
bin10010111011111111011110…
…111010011101101000010101
3101220220012110122100001120110
4102323333132322131220111
541404040144340020110
6453045420542153233
723354214446054343
oct2273773672355025
9356805418301513
1083287450704405
11245a1011694642
1294117ba882819
133761c8560450c
14167d1c4066993
1599676ec66a20
hex4bbfdee9da15

83287450704405 has 16 divisors (see below), whose sum is σ = 134004389964480. Its totient is φ = 44171817429888.

The previous prime is 83287450704391. The next prime is 83287450704503. The reversal of 83287450704405 is 50440705478238.

It is not a de Polignac number, because 83287450704405 - 24 = 83287450704389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15509764672 + ... + 15509770041.

It is an arithmetic number, because the mean of its divisors is an integer number (8375274372780).

Almost surely, 283287450704405 is an apocalyptic number.

It is an amenable number.

83287450704405 is a deficient number, since it is larger than the sum of its proper divisors (50716939260075).

83287450704405 is a wasteful number, since it uses less digits than its factorization.

83287450704405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31019534900.

The product of its (nonzero) digits is 30105600, while the sum is 57.

The spelling of 83287450704405 in words is "eighty-three trillion, two hundred eighty-seven billion, four hundred fifty million, seven hundred four thousand, four hundred five".

Divisors: 1 3 5 15 179 537 895 2685 31019534713 93058604139 155097673565 465293020695 5552496713627 16657490140881 27762483568135 83287450704405