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23201031011242 = 274744978529901
BaseRepresentation
bin1010100011001111010010…
…01101100011101110101010
310001010222220202001021010211
411101213221031203232222
511020111202414324432
6121202223445531334
74613135114463460
oct521475115435652
9101128822037124
1023201031011242
117435558179a17
122728622413b4a
13cc3b0390a316
145a2d16136830
152a37a3308d47
hex1519e9363baa

23201031011242 has 32 divisors (see below), whose sum is σ = 40709901196800. Its totient is φ = 9710065075200.

The previous prime is 23201031011203. The next prime is 23201031011267. The reversal of 23201031011242 is 24211013010232.

It is a super-2 number, since 2×232010310112422 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38969509 + ... + 39560392.

It is an arithmetic number, because the mean of its divisors is an integer number (1272184412400).

Almost surely, 223201031011242 is an apocalyptic number.

23201031011242 is a deficient number, since it is larger than the sum of its proper divisors (17508870185558).

23201031011242 is a wasteful number, since it uses less digits than its factorization.

23201031011242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78530406.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 23201031011242 its reverse (24211013010232), we get a palindrome (47412044021474).

The spelling of 23201031011242 in words is "twenty-three trillion, two hundred one billion, thirty-one million, eleven thousand, two hundred forty-two".

Divisors: 1 2 7 14 47 94 329 449 658 898 3143 6286 21103 42206 147721 295442 78529901 157059802 549709307 1099418614 3690905347 7381810694 25836337429 35259925549 51672674858 70519851098 246819478843 493638957686 1657216500803 3314433001606 11600515505621 23201031011242