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215352412334 = 2691155826637
BaseRepresentation
bin1100100010010000000…
…0010000100010101110
3202120212021120001000122
43020210000100202232
512012020204143314
6242533113324542
721362430205433
oct3104400204256
9676767501018
10215352412334
118336a905884
12358a1106752
13173ccb87427
14a5cd03db8a
15590619c28e
hex32240108ae

215352412334 has 8 divisors (see below), whose sum is σ = 323496100488. Its totient is φ = 107520378840.

The previous prime is 215352412309. The next prime is 215352412343. The reversal of 215352412334 is 433214253512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2153524123342 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215352412294 and 215352412303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77911937 + ... + 77914700.

It is an arithmetic number, because the mean of its divisors is an integer number (40437012561).

Almost surely, 2215352412334 is an apocalyptic number.

215352412334 is a deficient number, since it is larger than the sum of its proper divisors (108143688154).

215352412334 is a wasteful number, since it uses less digits than its factorization.

215352412334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155827330.

The product of its digits is 86400, while the sum is 35.

Adding to 215352412334 its reverse (433214253512), we get a palindrome (648566665846).

The spelling of 215352412334 in words is "two hundred fifteen billion, three hundred fifty-two million, four hundred twelve thousand, three hundred thirty-four".

Divisors: 1 2 691 1382 155826637 311653274 107676206167 215352412334