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1230123034 = 271392332713
BaseRepresentation
bin100100101010010…
…0011000000011010
310011201200201120101
41021110203000122
510004402414114
6322021450014
742324605350
oct11124430032
93151621511
101230123034
11581410708
122a3b7090a
13167b1046a
14b95317d0
1572edad74
hex4952301a

1230123034 has 32 divisors (see below), whose sum is σ = 2133855360. Its totient is φ = 520964352.

The previous prime is 1230123031. The next prime is 1230123071. The reversal of 1230123034 is 4303210321.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1230123031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452062 + ... + 454774.

It is an arithmetic number, because the mean of its divisors is an integer number (66682980).

Almost surely, 21230123034 is an apocalyptic number.

1230123034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1230123034 is a deficient number, since it is larger than the sum of its proper divisors (903732326).

1230123034 is a wasteful number, since it uses less digits than its factorization.

1230123034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1230123034 is about 35073.1098421569. The cubic root of 1230123034 is about 1071.4769930810.

Adding to 1230123034 its reverse (4303210321), we get a palindrome (5533333355).

The spelling of 1230123034 in words is "one billion, two hundred thirty million, one hundred twenty-three thousand, thirty-four".

Divisors: 1 2 7 14 139 233 278 466 973 1631 1946 2713 3262 5426 18991 32387 37982 64774 226709 377107 453418 632129 754214 1264258 2639749 4424903 5279498 8849806 87865931 175731862 615061517 1230123034