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123331122030 = 2354111037401
BaseRepresentation
bin111001011011100011…
…0111001001101101110
3102210100011021010212110
41302313012321031232
54010040231401110
6132354005544450
711624155145304
oct1626706711556
9383304233773
10123331122030
1148339226436
121ba9b415126
13b8263752ac
145d7d904274
15331c654a20
hex1cb71b936e

123331122030 has 16 divisors (see below), whose sum is σ = 295994692944. Its totient is φ = 32888299200.

The previous prime is 123331122029. The next prime is 123331122037. The reversal of 123331122030 is 30221133321.

It is a super-2 number, since 2×1233311220302 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123331121988 and 123331122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123331122037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2055518671 + ... + 2055518730.

It is an arithmetic number, because the mean of its divisors is an integer number (18499668309).

Almost surely, 2123331122030 is an apocalyptic number.

123331122030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123331122030 is an abundant number, since it is smaller than the sum of its proper divisors (172663570914).

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

123331122030 is a wasteful number, since it uses less digits than its factorization.

123331122030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111037411.

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

Adding to 123331122030 its reverse (30221133321), we get a palindrome (153552255351).

The spelling of 123331122030 in words is "one hundred twenty-three billion, three hundred thirty-one million, one hundred twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 4111037401 8222074802 12333112203 20555187005 24666224406 41110374010 61665561015 123331122030