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131423143101040 = 2457234684184109
BaseRepresentation
bin11101111000011101010101…
…110000101000001001110000
3122020022221002210211102120001
4131320131111300220021300
5114211214044113213130
61143302543005355344
736453003000365350
oct3570352560501160
9566287083742501
10131423143101040
113896a2730a48aa
12128a6828868b54
1358441c2aa2b8b
142464cb22a6b60
15102d93e3836ca
hex778755c28270

131423143101040 has 40 divisors (see below), whose sum is σ = 349210065955680. Its totient is φ = 45059363348736.

The previous prime is 131423143101007. The next prime is 131423143101071. The reversal of 131423143101040 is 40101341324131.

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

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117342091495 + ... + 117342092614.

It is an arithmetic number, because the mean of its divisors is an integer number (8730251648892).

Almost surely, 2131423143101040 is an apocalyptic number.

131423143101040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131423143101040 is an abundant number, since it is smaller than the sum of its proper divisors (217786922854640).

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

131423143101040 is a wasteful number, since it uses less digits than its factorization.

131423143101040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234684184129 (or 234684184123 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 131423143101040 its reverse (40101341324131), we get a palindrome (171524484425171).

The spelling of 131423143101040 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred forty-three million, one hundred one thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 234684184109 469368368218 938736736436 1173420920545 1642789288763 1877473472872 2346841841090 3285578577526 3754946945744 4693683682180 6571157155052 8213946443815 9387367364360 13142314310104 16427892887630 18774734728720 26284628620208 32855785775260 65711571550520 131423143101040