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26286433043172 = 2232190536086931
BaseRepresentation
bin1011111101000010010011…
…00000010000001011100100
310110001221212201022021021120
411332201021200100023210
511421134103324340142
6131523453131213540
75352063213153441
oct576411140201344
9113057781267246
1026286433043172
118415017192275
122b465a12a72b0
131188a527a4013
1466c3ad3dc9c8
15308b853d87ec
hex17e8498102e4

26286433043172 has 12 divisors (see below), whose sum is σ = 61335010434096. Its totient is φ = 8762144347720.

The previous prime is 26286433043161. The next prime is 26286433043173. The reversal of 26286433043172 is 27134033468262.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (26286433043173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1095268043454 + ... + 1095268043477.

It is an arithmetic number, because the mean of its divisors is an integer number (5111250869508).

Almost surely, 226286433043172 is an apocalyptic number.

It is an amenable number.

26286433043172 is an abundant number, since it is smaller than the sum of its proper divisors (35048577390924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26286433043172 is a wasteful number, since it uses less digits than its factorization.

26286433043172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190536086938 (or 2190536086936 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 51.

The spelling of 26286433043172 in words is "twenty-six trillion, two hundred eighty-six billion, four hundred thirty-three million, forty-three thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 2190536086931 4381072173862 6571608260793 8762144347724 13143216521586 26286433043172