Search a number
-
+
2045106147 = 372633491061
BaseRepresentation
bin111100111100101…
…1101011111100011
312021112020011020010
41321321131133203
513142021344042
6534533420003
7101452054410
oct17171353743
95245204203
102045106147
1195a455577
12490a9a603
1326790b0a6
1415587b107
15be82259c
hex79e5d7e3

2045106147 has 32 divisors (see below), whose sum is σ = 3140121600. Its totient is φ = 1159758720.

The previous prime is 2045106121. The next prime is 2045106209. The reversal of 2045106147 is 7416015402.

It is not a de Polignac number, because 2045106147 - 212 = 2045102051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2045106047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1926997 + ... + 1928057.

It is an arithmetic number, because the mean of its divisors is an integer number (98128800).

Almost surely, 22045106147 is an apocalyptic number.

2045106147 is a deficient number, since it is larger than the sum of its proper divisors (1095015453).

2045106147 is a wasteful number, since it uses less digits than its factorization.

2045106147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2045106147 is about 45222.8498328002. The cubic root of 2045106147 is about 1269.3224209166.

It can be divided in two parts, 2045106 and 147, that added together give a triangular number (2045253 = T2022).

The spelling of 2045106147 in words is "two billion, forty-five million, one hundred six thousand, one hundred forty-seven".

Divisors: 1 3 7 21 263 349 789 1047 1061 1841 2443 3183 5523 7329 7427 22281 91787 275361 279043 370289 642509 837129 1110867 1927527 1953301 2592023 5859903 7776069 97386007 292158021 681702049 2045106147