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7112016522221 = 135985310870471
BaseRepresentation
bin110011101111110010100…
…1101111110101111101101
3221011220100122210220012112
41213133211031332233231
51413010402212202341
623043114300213405
71332553253665202
oct147374515765755
927156318726175
107112016522221
1122a2209a0a446
1296a433b3a265
133c7877836040
141a831b175ca9
15c4eee86eaeb
hex677e537ebed

7112016522221 has 16 divisors (see below), whose sum is σ = 7798041793920. Its totient is φ = 6446101746240.

The previous prime is 7112016522187. The next prime is 7112016522223. The reversal of 7112016522221 is 1222256102117.

It is a de Polignac number, because none of the positive numbers 2k-7112016522221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7112016522223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4780985 + ... + 6089486.

It is an arithmetic number, because the mean of its divisors is an integer number (487377612120).

Almost surely, 27112016522221 is an apocalyptic number.

It is an amenable number.

7112016522221 is a deficient number, since it is larger than the sum of its proper divisors (686025271699).

7112016522221 is a wasteful number, since it uses less digits than its factorization.

7112016522221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10871396.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 7112016522221 in words is "seven trillion, one hundred twelve billion, sixteen million, five hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 13 59 767 853 11089 50327 654251 10870471 141316123 641357789 8337651257 9272511763 120542652919 547078194017 7112016522221