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52061353215 = 3516347944453
BaseRepresentation
bin110000011111000110…
…010011010011111111
311222101020121202122020
4300133012103103333
51323110201300330
635525555251223
73522062125614
oct603706232377
9158336552566
1052061353215
1120096305253
12a10b2a9b13
134ba8b48c61
14273c3da50b
15154a826210
hexc1f1934ff

52061353215 has 32 divisors (see below), whose sum is σ = 83986053120. Its totient is φ = 27537480576.

The previous prime is 52061353213. The next prime is 52061353217. The reversal of 52061353215 is 51235316025.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52061353213) and next prime (52061353217).

It is not a de Polignac number, because 52061353215 - 21 = 52061353213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52061353213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1148929 + ... + 1193381.

It is an arithmetic number, because the mean of its divisors is an integer number (2624564160).

Almost surely, 252061353215 is an apocalyptic number.

52061353215 is a deficient number, since it is larger than the sum of its proper divisors (31924699905).

52061353215 is a wasteful number, since it uses less digits than its factorization.

52061353215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45103.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 52061353215 in words is "fifty-two billion, sixty-one million, three hundred fifty-three thousand, two hundred fifteen".

Divisors: 1 3 5 15 163 479 489 815 1437 2395 2445 7185 44453 78077 133359 222265 234231 390385 666795 1171155 7245839 21292987 21737517 36229195 63878961 106464935 108687585 319394805 3470756881 10412270643 17353784405 52061353215