Search a number
-
+
2055500187 = 3132101137293
BaseRepresentation
bin111101010000100…
…0111000110011011
312022020210020011120
41322201013012123
513202202001222
6535544300323
7101636314626
oct17241070633
95266706146
102055500187
11965304794
124944716a3
13269b0a100
14156dc4dbd
15c06c715c
hex7a84719b

2055500187 has 48 divisors (see below), whose sum is σ = 3029267808. Its totient is φ = 1239014400.

The previous prime is 2055500173. The next prime is 2055500203. The reversal of 2055500187 is 7810055502.

It is a happy number.

It is not a de Polignac number, because 2055500187 - 27 = 2055500059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2055500987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7015213 + ... + 7015505.

It is an arithmetic number, because the mean of its divisors is an integer number (63109746).

Almost surely, 22055500187 is an apocalyptic number.

2055500187 is a deficient number, since it is larger than the sum of its proper divisors (973767621).

2055500187 is a wasteful number, since it uses less digits than its factorization.

2055500187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 2055500187 is about 45337.6244084315. The cubic root of 2055500187 is about 1271.4691879829.

Adding to 2055500187 its reverse (7810055502), we get a palindrome (9865555689).

The spelling of 2055500187 in words is "two billion, fifty-five million, five hundred thousand, one hundred eighty-seven".

Divisors: 1 3 13 39 101 137 169 293 303 411 507 879 1313 1781 3809 3939 5343 11427 13837 17069 23153 29593 40141 41511 49517 51207 69459 88779 120423 148551 179881 384709 521833 539643 1154127 1565499 2338453 4054241 5001217 6783829 7015359 12162723 15003651 20351487 52705133 158115399 685166729 2055500187