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897828214237 = 10314967386927
BaseRepresentation
bin11010001000010101011…
…10110101010111011101
310011211110012011221020121
431010022232311113131
5104202223010323422
61524242342314541
7121603006621423
oct15041256652735
93154405157217
10897828214237
11316848691029
12126008a28a51
1366884855986
1431652bb1113
151854ba348c7
hexd10abb55dd

897828214237 has 16 divisors (see below), whose sum is σ = 913995763200. Its totient is φ = 881821850112.

The previous prime is 897828214223. The next prime is 897828214247. The reversal of 897828214237 is 732412828798.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 897828214237 - 215 = 897828181469 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 (897828214247) 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, 10285068 + ... + 10371994.

It is an arithmetic number, because the mean of its divisors is an integer number (57124735200).

Almost surely, 2897828214237 is an apocalyptic number.

It is an amenable number.

897828214237 is a deficient number, since it is larger than the sum of its proper divisors (16167548963).

897828214237 is a wasteful number, since it uses less digits than its factorization.

897828214237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87852.

The product of its digits is 21676032, while the sum is 61.

The spelling of 897828214237 in words is "eight hundred ninety-seven billion, eight hundred twenty-eight million, two hundred fourteen thousand, two hundred thirty-seven".

Divisors: 1 103 149 673 15347 69319 86927 100277 8953481 10328531 12952123 58501871 1334068669 6025692713 8716778779 897828214237