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312020232141040 = 24525391536137417
BaseRepresentation
bin100011011110001111101111…
…1000110010111100011110000
31111220202211202110100221112121
41012330133133012113203300
5311344114413412003130
63023340041003204024
7122502501140040403
oct10674373706274360
91456684673327477
10312020232141040
1190468045769345
122abb3740516614
13105144c65cac97
145709c07487d3a
152611567aa2d7a
hex11bc7df1978f0

312020232141040 has 40 divisors (see below), whose sum is σ = 725732761759920. Its totient is φ = 124758936377856.

The previous prime is 312020232141017. The next prime is 312020232141043. The reversal of 312020232141040 is 40141232020213.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 312020232140996 and 312020232141014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312020232141043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767865589 + ... + 768271828.

It is an arithmetic number, because the mean of its divisors is an integer number (18143319043998).

Almost surely, 2312020232141040 is an apocalyptic number.

It is an amenable number.

312020232141040 is an abundant number, since it is smaller than the sum of its proper divisors (413712529618880).

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

312020232141040 is a wasteful number, since it uses less digits than its factorization.

312020232141040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536139969 (or 1536139963 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 312020232141040 its reverse (40141232020213), we get a palindrome (352161464161253).

The spelling of 312020232141040 in words is "three hundred twelve trillion, twenty billion, two hundred thirty-two million, one hundred forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 2539 5078 10156 12695 20312 25390 40624 50780 101560 203120 1536137417 3072274834 6144549668 7680687085 12289099336 15361374170 24578198672 30722748340 61445496680 122890993360 3900252901763 7800505803526 15601011607052 19501264508815 31202023214104 39002529017630 62404046428208 78005058035260 156010116070520 312020232141040