Search a number
-
+
123120030030213 = 37125711092028077
BaseRepresentation
bin11011111111101000011101…
…101001111001100110000101
3121010221011022120201121121010
4123333220131221321212011
5112114144310141431323
61113504321100312433
734635062055646266
oct3377503551714605
9533834276647533
10123120030030213
1136258a03246167
12119855a0b42719
135391227429898
14225908128896d
15e3797b7d2c93
hex6ffa1da79985

123120030030213 has 32 divisors (see below), whose sum is σ = 167270681560320. Its totient is φ = 80536358174720.

The previous prime is 123120030030191. The next prime is 123120030030253. The reversal of 123120030030213 is 312030030021321.

It is a cyclic number.

It is not a de Polignac number, because 123120030030213 - 222 = 123120025835909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123120030030213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123120030030253) 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, 59693731 + ... + 61721807.

It is an arithmetic number, because the mean of its divisors is an integer number (5227208798760).

Almost surely, 2123120030030213 is an apocalyptic number.

It is an amenable number.

123120030030213 is a deficient number, since it is larger than the sum of its proper divisors (44150651530107).

123120030030213 is a wasteful number, since it uses less digits than its factorization.

123120030030213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029517.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123120030030213 its reverse (312030030021321), we get a palindrome (435150060051534).

The spelling of 123120030030213 in words is "one hundred twenty-three trillion, one hundred twenty billion, thirty million, thirty thousand, two hundred thirteen".

Divisors: 1 3 71 213 257 771 1109 3327 18247 54741 78739 236217 285013 855039 2028077 6084231 20235923 60707769 143993467 431980401 521215789 1563647367 2249137393 6747412179 37006321019 111018963057 159688754903 479066264709 578028310001 1734084930003 41040010010071 123120030030213