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23152155503545 = 561257295364617
BaseRepresentation
bin1010100001110100010000…
…00000010010101110111001
310000222022202112011012222001
411100322020000102232321
511013311103302103140
6121123541534101001
74606454665513105
oct520721000225671
9100868675135861
1023152155503545
11741685722a652
12271b06204a761
13cbc314b15373
145a07dacbc905
152a2392536e9a
hex150e88012bb9

23152155503545 has 16 divisors (see below), whose sum is σ = 28347914577168. Its totient is φ = 18147202007040.

The previous prime is 23152155503539. The next prime is 23152155503563. The reversal of 23152155503545 is 54530555125132.

It can be written as a sum of positive squares in 8 ways, for example, as 473349504016 + 22678805999529 = 688004^2 + 4762227^2 .

It is not a de Polignac number, because 23152155503545 - 25 = 23152155503513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23152155503495 and 23152155503504.

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, 147603924 + ... + 147760693.

It is an arithmetic number, because the mean of its divisors is an integer number (1771744661073).

Almost surely, 223152155503545 is an apocalyptic number.

It is an amenable number.

23152155503545 is a deficient number, since it is larger than the sum of its proper divisors (5195759073623).

23152155503545 is a wasteful number, since it uses less digits than its factorization.

23152155503545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295364940.

The product of its (nonzero) digits is 2250000, while the sum is 46.

The spelling of 23152155503545 in words is "twenty-three trillion, one hundred fifty-two billion, one hundred fifty-five million, five hundred three thousand, five hundred forty-five".

Divisors: 1 5 61 257 305 1285 15677 78385 295364617 1476823085 18017241637 75908706569 90086208185 379543532845 4630431100709 23152155503545