Search a number
-
+
15355030540445 = 537952331548427
BaseRepresentation
bin1101111101110001111100…
…1001000001000010011101
32000100221000110221111210022
43133130133021001002131
54003034100304243240
652354000442121525
73143235654041411
oct337343711010235
960327013844708
1015355030540445
114990039487372
12187baa87b02a5
13874c8608094b
143b128a4b8d41
151b96461539b5
hexdf71f24109d

15355030540445 has 16 divisors (see below), whose sum is σ = 18478196506560. Its totient is φ = 12249263625984.

The previous prime is 15355030540411. The next prime is 15355030540453. The reversal of 15355030540445 is 54404503055351.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 15355030540445 - 28 = 15355030540189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15355030540396 and 15355030540405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9142322 + ... + 10690748.

It is an arithmetic number, because the mean of its divisors is an integer number (1154887281660).

Almost surely, 215355030540445 is an apocalyptic number.

It is an amenable number.

15355030540445 is a deficient number, since it is larger than the sum of its proper divisors (3123165966115).

15355030540445 is a wasteful number, since it uses less digits than its factorization.

15355030540445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554044.

The product of its (nonzero) digits is 1800000, while the sum is 44.

Adding to 15355030540445 its reverse (54404503055351), we get a palindrome (69759533595796).

The spelling of 15355030540445 in words is "fifteen trillion, three hundred fifty-five billion, thirty million, five hundred forty thousand, four hundred forty-five".

Divisors: 1 5 379 1895 5233 26165 1548427 1983307 7742135 9916535 586853833 2934269165 8102918491 40514592455 3071006108089 15355030540445