Search a number
-
+
189515040101 = 2412339336199
BaseRepresentation
bin1011000001111111111…
…0100000010101100101
3200010011121222112110022
42300133332200111211
511101111322240401
6223021221004525
716456234155542
oct2603776402545
9603147875408
10189515040101
1173411332692
1230890253745
1314b430145aa
14925b79dbc9
154de2c1e71b
hex2c1ffa0565

189515040101 has 8 divisors (see below), whose sum is σ = 190383336000. Its totient is φ = 188647421760.

The previous prime is 189515040089. The next prime is 189515040103. The reversal of 189515040101 is 101040515981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-189515040101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189515040103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395600 + ... + 731798.

It is an arithmetic number, because the mean of its divisors is an integer number (23797917000).

Almost surely, 2189515040101 is an apocalyptic number.

It is an amenable number.

189515040101 is a deficient number, since it is larger than the sum of its proper divisors (868295899).

189515040101 is a wasteful number, since it uses less digits than its factorization.

189515040101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338779.

The product of its (nonzero) digits is 7200, while the sum is 35.

The spelling of 189515040101 in words is "one hundred eighty-nine billion, five hundred fifteen million, forty thousand, one hundred one".

Divisors: 1 241 2339 336199 563699 81023959 786369461 189515040101