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10148005561 = 13591746671
BaseRepresentation
bin10010111001101111…
…00100011010111001
3222012020021002120211
421130313210122321
5131240342134221
64354550551121
7506322424021
oct113467443271
928166232524
1010148005561
114338314861
121b726684a1
13c5956b625
146c3a8ca81
153e5d966e1
hex25cde46b9

10148005561 has 4 divisors (see below), whose sum is σ = 10148765824. Its totient is φ = 10147245300.

The previous prime is 10148005531. The next prime is 10148005579. The reversal of 10148005561 is 16550084101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16550084101 = 57259289039.

It is a cyclic number.

It is not a de Polignac number, because 10148005561 - 27 = 10148005433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10148005501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359745 + ... + 386926.

It is an arithmetic number, because the mean of its divisors is an integer number (2537191456).

Almost surely, 210148005561 is an apocalyptic number.

It is an amenable number.

10148005561 is a deficient number, since it is larger than the sum of its proper divisors (760263).

10148005561 is an equidigital number, since it uses as much as digits as its factorization.

10148005561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760262.

The product of its (nonzero) digits is 4800, while the sum is 31.

Adding to 10148005561 its reverse (16550084101), we get a palindrome (26698089662).

The spelling of 10148005561 in words is "ten billion, one hundred forty-eight million, five thousand, five hundred sixty-one".

Divisors: 1 13591 746671 10148005561