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121023110 = 25139191013
BaseRepresentation
bin1110011011010…
…10101010000110
322102201121111102
413031222222012
5221440214420
620001540102
72666452025
oct715525206
9272647442
10121023110
11623504aa
1234644632
131c0c4810
14121048bc
15a958a75
hex736aa86

121023110 has 32 divisors (see below), whose sum is σ = 235085760. Its totient is φ = 44592768.

The previous prime is 121023083. The next prime is 121023143. The reversal of 121023110 is 11320121.

It is a junction number, because it is equal to n+sod(n) for n = 121023091 and 121023100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118964 + ... + 119976.

It is an arithmetic number, because the mean of its divisors is an integer number (7346430).

Almost surely, 2121023110 is an apocalyptic number.

121023110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121023110 is a deficient number, since it is larger than the sum of its proper divisors (114062650).

121023110 is a wasteful number, since it uses less digits than its factorization.

121023110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 121023110 is about 11001.0504043932. The cubic root of 121023110 is about 494.6402310479.

Adding to 121023110 its reverse (11320121), we get a palindrome (132343231).

The spelling of 121023110 in words is "one hundred twenty-one million, twenty-three thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 65 130 919 1013 1838 2026 4595 5065 9190 10130 11947 13169 23894 26338 59735 65845 119470 131690 930947 1861894 4654735 9309470 12102311 24204622 60511555 121023110