Search a number
-
+
2645112056 = 231923853887
BaseRepresentation
bin1001110110101001…
…0011010011111000
320211100020121121012
42131222103103320
520404122041211
61114245533052
7122356036646
oct23552232370
96740217535
102645112056
111138107924
12619a14188
13332009582
141b1426196
15107341d8b
hex9da934f8

2645112056 has 64 divisors (see below), whose sum is σ = 5460134400. Its totient is φ = 1195717248.

The previous prime is 2645112017. The next prime is 2645112061. The reversal of 2645112056 is 6502115462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2981645 + ... + 2982531.

It is an arithmetic number, because the mean of its divisors is an integer number (85314600).

Almost surely, 22645112056 is an apocalyptic number.

It is an amenable number.

2645112056 is an abundant number, since it is smaller than the sum of its proper divisors (2815022344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2645112056 is a wasteful number, since it uses less digits than its factorization.

2645112056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1784 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2645112056 is about 51430.6528832757. The cubic root of 2645112056 is about 1382.9761534051.

The spelling of 2645112056 in words is "two billion, six hundred forty-five million, one hundred twelve thousand, fifty-six".

Divisors: 1 2 4 8 19 23 38 46 76 92 152 184 437 853 874 887 1706 1748 1774 3412 3496 3548 6824 7096 16207 16853 19619 20401 32414 33706 39238 40802 64828 67412 78476 81604 129656 134824 156952 163208 372761 387619 745522 756611 775238 1491044 1513222 1550476 2982088 3026444 3100952 6052888 14375609 17402053 28751218 34804106 57502436 69608212 115004872 139216424 330639007 661278014 1322556028 2645112056