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312022000230 = 23513179394911
BaseRepresentation
bin1001000101001011111…
…01011110001001100110
31002211101100102220201220
410202211331132021212
520103010113001410
6355201350201210
731354124145603
oct4424575361146
91084340386656
10312022000230
11110367314a86
125057b653206
13235676c7105
141115da496aa
1581b2d28070
hex48a5f5e266

312022000230 has 32 divisors (see below), whose sum is σ = 754569243648. Its totient is φ = 82570706400.

The previous prime is 312022000211. The next prime is 312022000259. The reversal of 312022000230 is 32000220213.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 39693526 + ... + 39701385.

It is an arithmetic number, because the mean of its divisors is an integer number (23580288864).

Almost surely, 2312022000230 is an apocalyptic number.

312022000230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312022000230 is an abundant number, since it is smaller than the sum of its proper divisors (442547243418).

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

312022000230 is a wasteful number, since it uses less digits than its factorization.

312022000230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79395052.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 312022000230 its reverse (32000220213), we get a palindrome (344022220443).

The spelling of 312022000230 in words is "three hundred twelve billion, twenty-two million, two hundred thirty", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 15 30 131 262 393 655 786 1310 1965 3930 79394911 158789822 238184733 396974555 476369466 793949110 1190923665 2381847330 10400733341 20801466682 31202200023 52003666705 62404400046 104007333410 156011000115 312022000230