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193825453138641 = 321272365412
BaseRepresentation
bin101100000100100010000001…
…010010000110001011010001
3221102021112101002101020100100
4230010202001102012023101
5200401114012000414031
61524122103421243013
755553266263051522
oct5404420122061321
9842245332336310
10193825453138641
1156838a05306575
12198a4808103469
13841c87aca18cc
1435c12b8374849
151761ca1512de6
hexb048814862d1

193825453138641 has 27 divisors (see below), whose sum is σ = 282199668950043. Its totient is φ = 128196003937680.

The previous prime is 193825453138589. The next prime is 193825453138651. The reversal of 193825453138641 is 146831354528391.

The square root of 193825453138641 is 13922121.

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

193825453138641 is a `hidden beast` number, since 1 + 9 + 3 + 8 + 2 + 5 + 4 + 531 + 38 + 64 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 184581542594241 + 9243910544400 = 13586079^2 + 3040380^2 .

It is not a de Polignac number, because 193825453138641 - 241 = 191626429883089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (193825453138651) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5304309831 + ... + 5304346371.

Almost surely, 2193825453138641 is an apocalyptic number.

193825453138641 is the 13922121-st square number.

193825453138641 is the 6961061-st centered octagonal number.

It is an amenable number.

193825453138641 is a deficient number, since it is larger than the sum of its proper divisors (88374215811402).

193825453138641 is an frugal number, since it uses more digits than its factorization.

193825453138641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73342 (or 36671 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 63.

The spelling of 193825453138641 in words is "one hundred ninety-three trillion, eight hundred twenty-five billion, four hundred fifty-three million, one hundred thirty-eight thousand, six hundred forty-one".

Divisors: 1 3 9 127 381 1143 16129 36541 48387 109623 145161 328869 4640707 13922121 41766363 589369789 1335244681 1768109367 4005734043 5304328101 12017202129 169576074487 508728223461 1526184670383 21536161459849 64608484379547 193825453138641