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193750509241 = 4401712
BaseRepresentation
bin1011010001110001101…
…1100010011010111001
3200112002210202122211201
42310130123202122321
511133300112243431
6225001401454201
716666214104222
oct2643433423271
9615083678751
10193750509241
1175195125303
12316727a1361
131536965b753
1495400ca249
15508e9a8461
hex2d1c6e26b9

193750509241 has 3 divisors (see below), whose sum is σ = 193750949413. Its totient is φ = 193750069070.

The previous prime is 193750509233. The next prime is 193750509259. The reversal of 193750509241 is 142905057391.

The square root of 193750509241 is 440171.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 193750509241 - 23 = 193750509233 is a prime.

It is a super-2 number, since 2×1937505092412 (a number of 23 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 = 193750509191 and 193750509200.

It is not an unprimeable number, because it can be changed into a prime (193750509941) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 220086 + ... + 660256.

Almost surely, 2193750509241 is an apocalyptic number.

193750509241 is the 440171-st square number.

193750509241 is the 220086-th centered octagonal number.

It is an amenable number.

193750509241 is a deficient number, since it is larger than the sum of its proper divisors (440172).

193750509241 is an frugal number, since it uses more digits than its factorization.

193750509241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880342 (or 440171 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 193750509241 in words is "one hundred ninety-three billion, seven hundred fifty million, five hundred nine thousand, two hundred forty-one".

Divisors: 1 440171 193750509241