Search a number
-
+
123230211002 = 2197434971917
BaseRepresentation
bin111001011000100010…
…1111100101110111010
3102210002010101022221222
41302301011330232322
54004333413223002
6132340003032042
711621521340123
oct1626105745672
9383063338858
10123230211002
1148297272498
121ba7166b622
13b80b4a2c22
145d7035704a
1533138701a2
hex1cb117cbba

123230211002 has 16 divisors (see below), whose sum is σ = 185828920200. Its totient is φ = 61287390528.

The previous prime is 123230210969. The next prime is 123230211011. The reversal of 123230211002 is 200112032321.

It can be written as a sum of positive squares in 4 ways, for example, as 94225055521 + 29005155481 = 306961^2 + 170309^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1677548 + ... + 1749464.

Almost surely, 2123230211002 is an apocalyptic number.

123230211002 is a deficient number, since it is larger than the sum of its proper divisors (62598709198).

123230211002 is a wasteful number, since it uses less digits than its factorization.

123230211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76465.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123230211002 its reverse (200112032321), we get a palindrome (323342243323).

The spelling of 123230211002 in words is "one hundred twenty-three billion, two hundred thirty million, two hundred eleven thousand, two".

Divisors: 1 2 197 394 4349 8698 71917 143834 856753 1713506 14167649 28335298 312767033 625534066 61615105501 123230211002