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123011201130 = 23513929499089
BaseRepresentation
bin111001010010000001…
…0011111100001101010
3102202111212021110220020
41302210002133201222
54003411331414010
6132302140541310
711613221646306
oct1624402374152
9382455243806
10123011201130
11481946860a4
121ba10251836
13b7a4cc109c
145d4d226d06
1532ee50d470
hex1ca409f86a

123011201130 has 32 divisors (see below), whose sum is σ = 297350827200. Its totient is φ = 32566993152.

The previous prime is 123011201107. The next prime is 123011201141. The reversal of 123011201130 is 31102110321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 14745375 + ... + 14753714.

It is an arithmetic number, because the mean of its divisors is an integer number (9292213350).

Almost surely, 2123011201130 is an apocalyptic number.

123011201130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123011201130 is an abundant number, since it is smaller than the sum of its proper divisors (174339626070).

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

123011201130 is a wasteful number, since it uses less digits than its factorization.

123011201130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29499238.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 123011201130 its reverse (31102110321), we get a palindrome (154113311451).

The spelling of 123011201130 in words is "one hundred twenty-three billion, eleven million, two hundred one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 139 278 417 695 834 1390 2085 4170 29499089 58998178 88497267 147495445 176994534 294990890 442486335 884972670 4100373371 8200746742 12301120113 20501866855 24602240226 41003733710 61505600565 123011201130