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1021034432231 = 11407922755899
BaseRepresentation
bin11101101101110100110…
…01010000011011100111
310121121110122102021222122
432312322121100123213
5113212034303312411
62101020131220155
7133524120322232
oct16667231203347
93547418367878
101021034432231
11364022356190
12145a7244765b
137538b077b48
14375bdc80419
151b85d2159db
hexedba6506e7

1021034432231 has 8 divisors (see below), whose sum is σ = 1114128864000. Its totient is φ = 927985520440.

The previous prime is 1021034432189. The next prime is 1021034432281. The reversal of 1021034432231 is 1322344301201.

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

It is a de Polignac number, because none of the positive numbers 2k-1021034432231 is a prime.

It is a super-4 number, since 4×10210344322314 (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021034432231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021034432281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11333081 + ... + 11422818.

It is an arithmetic number, because the mean of its divisors is an integer number (139266108000).

Almost surely, 21021034432231 is an apocalyptic number.

1021034432231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1021034432231 is a deficient number, since it is larger than the sum of its proper divisors (93094431769).

1021034432231 is a wasteful number, since it uses less digits than its factorization.

1021034432231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22759989.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1021034432231 its reverse (1322344301201), we get a palindrome (2343378733432).

The spelling of 1021034432231 in words is "one trillion, twenty-one billion, thirty-four million, four hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 11 4079 44869 22755899 250314889 92821312021 1021034432231