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53823718696225 = 52472312192
BaseRepresentation
bin11000011110011110011111…
…01000100010010100100001
321001120111102111110220001011
430033033033220202110201
524023321433441234400
6310250135223140521
714223430632160132
oct1417171750422441
9231514374426034
1053823718696225
1116171569028045
1260534925a4741
13240572a14592a
14d41120997c89
15635129b1c8ba
hex30f3cfa22521

53823718696225 has 27 divisors (see below), whose sum is σ = 68193838983027. Its totient is φ = 42141476644080.

The previous prime is 53823718696211. The next prime is 53823718696357. The reversal of 53823718696225 is 52269681732835.

The square root of 53823718696225 is 7336465.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19376538730641 + 34447179965584 = 4401879^2 + 5869172^2 .

It is not a de Polignac number, because 53823718696225 - 235 = 53789358957857 is a prime.

It is a super-2 number, since 2×538237186962252 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1724053666 + ... + 1724084884.

Almost surely, 253823718696225 is an apocalyptic number.

53823718696225 is the 7336465-th square number.

53823718696225 is the 3668233-rd centered octagonal number.

It is an amenable number.

53823718696225 is a deficient number, since it is larger than the sum of its proper divisors (14370120286802).

53823718696225 is an frugal number, since it uses more digits than its factorization.

53823718696225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62542 (or 31271 counting only the distinct ones).

The product of its digits is 261273600, while the sum is 67.

The spelling of 53823718696225 in words is "fifty-three trillion, eight hundred twenty-three billion, seven hundred eighteen million, six hundred ninety-six thousand, two hundred twenty-five".

Divisors: 1 5 25 47 235 1175 2209 11045 31219 55225 156095 780475 1467293 7336465 36682325 68962771 344813855 974625961 1724069275 4873129805 24365649025 45807420167 229037100835 1145185504175 2152948747849 10764743739245 53823718696225