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312141420213040 = 245111831193722643
BaseRepresentation
bin100011011111001000001011…
…0011110001011001100110000
31111221012102120021002212102201
41012332100112132023030300
5311403111112033304130
63023511442220152544
7122514321243461515
oct10676202636131460
91457172507085381
10312141420213040
1190504484222550
122b013122098754
1310522a6a991522
145711a224d730c
1526147abed9bca
hex11be41678b330

312141420213040 has 80 divisors (see below), whose sum is σ = 792136540659456. Its totient is φ = 113443979155200.

The previous prime is 312141420212953. The next prime is 312141420213041. The reversal of 312141420213040 is 40312024141213.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3121414202130402 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312141420213041) 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 15 ways as a sum of consecutive naturals, for example, 95250042 + ... + 98472601.

Almost surely, 2312141420213040 is an apocalyptic number.

It is an amenable number.

312141420213040 is an abundant number, since it is smaller than the sum of its proper divisors (479995120446416).

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

312141420213040 is a wasteful number, since it uses less digits than its factorization.

312141420213040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193724498 (or 193724492 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 312141420213040 its reverse (40312024141213), we get a palindrome (352453444354253).

The spelling of 312141420213040 in words is "three hundred twelve trillion, one hundred forty-one billion, four hundred twenty million, two hundred thirteen thousand, forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 1831 3662 7324 9155 14648 18310 20141 29296 36620 40282 73240 80564 100705 146480 161128 201410 322256 402820 805640 1611280 193722643 387445286 774890572 968613215 1549781144 1937226430 2130949073 3099562288 3874452860 4261898146 7748905720 8523796292 10654745365 15497811440 17047592584 21309490730 34095185168 42618981460 85237962920 170475925840 354706159333 709412318666 1418824637332 1773530796665 2837649274664 3547061593330 3901767752663 5675298549328 7094123186660 7803535505326 14188246373320 15607071010652 19508838763315 28376492746640 31214142021304 39017677526630 62428284042608 78035355053260 156070710106520 312141420213040