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1026682238172 = 22385556853181
BaseRepresentation
bin11101111000010110000…
…01111011010011011100
310122011001020202120020110
432330023001323103130
5113310121123110142
62103352403250020
7134114100014613
oct16741301732334
93564036676213
101026682238172
113664603a33a8
12146b89979910
1375a7b19cb56
1437997db087a
151ba8de7e99c
hexef0b07b4dc

1026682238172 has 12 divisors (see below), whose sum is σ = 2395591889096. Its totient is φ = 342227412720.

The previous prime is 1026682238129. The next prime is 1026682238207. The reversal of 1026682238172 is 2718322866201.

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

It is a super-4 number, since 4×10266822381724 (a number of 49 digits) contains 4444 as substring.

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, 42778426579 + ... + 42778426602.

Almost surely, 21026682238172 is an apocalyptic number.

1026682238172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1026682238172 is an abundant number, since it is smaller than the sum of its proper divisors (1368909650924).

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

1026682238172 is a wasteful number, since it uses less digits than its factorization.

1026682238172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85556853188 (or 85556853186 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 1026682238172 in words is "one trillion, twenty-six billion, six hundred eighty-two million, two hundred thirty-eight thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 85556853181 171113706362 256670559543 342227412724 513341119086 1026682238172