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23421121310 = 254727913421
BaseRepresentation
bin10101110100000000…
…011111001100011110
32020110020222020102102
4111310000133030132
5340431301340220
614432015525102
71456253150336
oct256400371436
966406866372
1023421121310
119a29681104
124657829792
1322933b7382
1411c27d00c6
15921296775
hex57401f31e

23421121310 has 48 divisors (see below), whose sum is σ = 43622573760. Its totient is φ = 9052380480.

The previous prime is 23421121307. The next prime is 23421121313. The reversal of 23421121310 is 1312112432.

It is an interprime number because it is at equal distance from previous prime (23421121307) and next prime (23421121313).

It is a super-2 number, since 2×234211213102 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421121313) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1738400 + ... + 1751820.

It is an arithmetic number, because the mean of its divisors is an integer number (908803620).

Almost surely, 223421121310 is an apocalyptic number.

23421121310 is a deficient number, since it is larger than the sum of its proper divisors (20201452450).

23421121310 is a wasteful number, since it uses less digits than its factorization.

23421121310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13601 (or 13554 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 23421121310 its reverse (1312112432), we get a palindrome (24733233742).

The spelling of 23421121310 in words is "twenty-three billion, four hundred twenty-one million, one hundred twenty-one thousand, three hundred ten".

Divisors: 1 2 5 10 47 79 94 158 235 395 470 790 2209 3713 4418 7426 11045 13421 18565 22090 26842 37130 67105 134210 174511 349022 630787 872555 1060259 1261574 1745110 2120518 3153935 5301295 6307870 10602590 29646989 49832173 59293978 99664346 148234945 249160865 296469890 498321730 2342112131 4684224262 11710560655 23421121310