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1234127830 = 251383114377
BaseRepresentation
bin100100110001111…
…0100101111010110
310012000020012010011
41021203310233112
510011414042310
6322243350434
742403625215
oct11143645726
93160205104
101234127830
115836a6561
122a538241a
131688b3270
14b9c9507c
157352c78a
hex498f4bd6

1234127830 has 32 divisors (see below), whose sum is σ = 2421153504. Its totient is φ = 450183936.

The previous prime is 1234127803. The next prime is 1234127861. The reversal of 1234127830 is 387214321.

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

It is a junction number, because it is equal to n+sod(n) for n = 1234127792 and 1234127801.

It is a congruent number.

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, 46399 + ... + 67978.

It is an arithmetic number, because the mean of its divisors is an integer number (75661047).

Almost surely, 21234127830 is an apocalyptic number.

1234127830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1234127830 is a deficient number, since it is larger than the sum of its proper divisors (1187025674).

1234127830 is a wasteful number, since it uses less digits than its factorization.

1234127830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114480.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1234127830 is about 35130.1555646997. The cubic root of 1234127830 is about 1072.6385025152.

The spelling of 1234127830 in words is "one billion, two hundred thirty-four million, one hundred twenty-seven thousand, eight hundred thirty".

Divisors: 1 2 5 10 13 26 65 83 130 166 415 830 1079 2158 5395 10790 114377 228754 571885 1143770 1486901 2973802 7434505 9493291 14869010 18986582 47466455 94932910 123412783 246825566 617063915 1234127830