Search a number
-
+
23152051555 = 552361914303
BaseRepresentation
bin10101100011111110…
…000100010101100011
32012202111200002002221
4111203332010111203
5334403411122210
614345204451511
71446505122403
oct254376042543
965674602087
1023152051555
119900803006
1245a16a9b97
13224c728ab9
141198b8c803
159078471da
hex563f84563

23152051555 has 16 divisors (see below), whose sum is σ = 27882501120. Its totient is φ = 18455071968.

The previous prime is 23152051541. The next prime is 23152051577. The reversal of 23152051555 is 55515025132.

It is a cyclic number.

It is not a de Polignac number, because 23152051555 - 25 = 23152051523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23152051555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1611534 + ... + 1625836.

It is an arithmetic number, because the mean of its divisors is an integer number (1742656320).

Almost surely, 223152051555 is an apocalyptic number.

23152051555 is a deficient number, since it is larger than the sum of its proper divisors (4730449565).

23152051555 is a wasteful number, since it uses less digits than its factorization.

23152051555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15450.

The product of its (nonzero) digits is 37500, while the sum is 34.

Adding to 23152051555 its reverse (55515025132), we get a palindrome (78667076687).

The spelling of 23152051555 in words is "twenty-three billion, one hundred fifty-two million, fifty-one thousand, five hundred fifty-five".

Divisors: 1 5 523 619 2615 3095 14303 71515 323737 1618685 7480469 8853557 37402345 44267785 4630410311 23152051555