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321213412030 = 257172111127867
BaseRepresentation
bin1001010110010011100…
…11111011001010111110
31010201002220201000101011
410223021303323022332
520230321113141110
6403321410105434
732130652644550
oct4531163731276
91121086630334
10321213412030
11114253662785
125230587b27a
13243a0a15614
14117926494d0
15854ec1448a
hex4ac9cfb2be

321213412030 has 64 divisors (see below), whose sum is σ = 699988303872. Its totient is φ = 103602147840.

The previous prime is 321213412001. The next prime is 321213412031. The reversal of 321213412030 is 30214312123.

It is a junction number, because it is equal to n+sod(n) for n = 321213411992 and 321213412010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213412031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2448157 + ... + 2576023.

It is an arithmetic number, because the mean of its divisors is an integer number (10937317248).

Almost surely, 2321213412030 is an apocalyptic number.

321213412030 is an abundant number, since it is smaller than the sum of its proper divisors (378774891842).

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

321213412030 is a wasteful number, since it uses less digits than its factorization.

321213412030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130009.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 321213412030 its reverse (30214312123), we get a palindrome (351427724153).

The spelling of 321213412030 in words is "three hundred twenty-one billion, two hundred thirteen million, four hundred twelve thousand, thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 2111 4222 10555 14777 21110 29554 35887 71774 73885 127867 147770 179435 251209 255734 358870 502418 639335 895069 1256045 1278670 1790138 2173739 2512090 4347478 4475345 8950690 10868695 15216173 21737390 30432346 76080865 152161730 269927237 539854474 1349636185 1889490659 2699272370 3778981318 4588763029 9177526058 9447453295 18894906590 22943815145 32121341203 45887630290 64242682406 160606706015 321213412030