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23151345032441 = 2771657445711317
BaseRepresentation
bin1010100001110010101111…
…01100100101110011111001
310000222020200001010000121202
411100321113230211303321
511013302423312014231
6121123325302543545
74606425624565433
oct520712754456371
9100866601100552
1023151345032441
11741648079771a
12271aa76737bb5
13cbc215c37372
145a07613c9653
152a23462e25cb
hex150e57b25cf9

23151345032441 has 16 divisors (see below), whose sum is σ = 23256217255056. Its totient is φ = 23046635621376.

The previous prime is 23151345032401. The next prime is 23151345032449. The reversal of 23151345032441 is 14423054315132.

It can be written as a sum of positive squares in 8 ways, for example, as 454315092841 + 22697029939600 = 674029^2 + 4764140^2 .

It is a cyclic number.

It is not a de Polignac number, because 23151345032441 - 210 = 23151345031417 is a prime.

It is a super-2 number, since 2×231513450324412 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23151345032395 and 23151345032404.

It is not an unprimeable number, because it can be changed into a prime (23151345032449) 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, 2045708315 + ... + 2045719631.

It is an arithmetic number, because the mean of its divisors is an integer number (1453513578441).

Almost surely, 223151345032441 is an apocalyptic number.

It is an amenable number.

23151345032441 is a deficient number, since it is larger than the sum of its proper divisors (104872222615).

23151345032441 is a wasteful number, since it uses less digits than its factorization.

23151345032441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17708.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 23151345032441 its reverse (14423054315132), we get a palindrome (37574399347573).

The spelling of 23151345032441 in words is "twenty-three trillion, one hundred fifty-one billion, three hundred forty-five million, thirty-two thousand, four hundred forty-one".

Divisors: 1 277 1657 4457 11317 458989 1234589 3134809 7385249 18752269 50439869 2045713973 5194378513 13971843713 83578862933 23151345032441