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42151521214 = 21168315491811
BaseRepresentation
bin100111010000011011…
…010010101110111110
311000210121112010202101
4213100123102232332
51142311242134324
631210353215314
73021361006255
oct472033225676
9130717463671
1042151521214
1116970486850
12820456153a
133c89a3c03a
14207c22979c
15116a829944
hex9d06d2bbe

42151521214 has 32 divisors (see below), whose sum is σ = 69158966400. Its totient is φ = 19108821600.

The previous prime is 42151521193. The next prime is 42151521229. The reversal of 42151521214 is 41212515124.

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, 23274369 + ... + 23276179.

It is an arithmetic number, because the mean of its divisors is an integer number (2161217700).

Almost surely, 242151521214 is an apocalyptic number.

42151521214 is a deficient number, since it is larger than the sum of its proper divisors (27007445186).

42151521214 is a wasteful number, since it uses less digits than its factorization.

42151521214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056.

The product of its digits is 3200, while the sum is 28.

It can be divided in two parts, 42151 and 521214, that added together give a palindrome (563365).

The spelling of 42151521214 in words is "forty-two billion, one hundred fifty-one million, five hundred twenty-one thousand, two hundred fourteen".

Divisors: 1 2 11 22 683 1366 1549 1811 3098 3622 7513 15026 17039 19921 34078 39842 1057967 1236913 2115934 2473826 2805239 5610478 11637637 13606043 23275274 27212086 30857629 61715258 1915978237 3831956474 21075760607 42151521214