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131012224202000 = 245373988641559
BaseRepresentation
bin11101110010011110101001…
…000101011011010100010000
3122011212122110011102111221002
4131302132221011123110100
5114133001013343431000
61142350103535321132
736411215022361421
oct3562365105332420
9564778404374832
10131012224202000
1138820a77097aa9
121283b0689801a8
13581452729473b
14244d04dd05648
151022dde0ba8d5
hex7727a915b510

131012224202000 has 80 divisors (see below), whose sum is σ = 317216232278400. Its totient is φ = 52333975843200.

The previous prime is 131012224201997. The next prime is 131012224202003. The reversal of 131012224202000 is 202422210131.

It is an interprime number because it is at equal distance from previous prime (131012224201997) and next prime (131012224202003).

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

It is a super-2 number, since 2×1310122242020002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (131012224202003) 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, 42842780 + ... + 45798779.

It is an arithmetic number, because the mean of its divisors is an integer number (3965202903480).

Almost surely, 2131012224202000 is an apocalyptic number.

131012224202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131012224202000 is an abundant number, since it is smaller than the sum of its proper divisors (186204008076400).

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

131012224202000 is an equidigital number, since it uses as much as digits as its factorization.

131012224202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88642321 (or 88642305 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 131012224202000 its reverse (202422210131), we get a palindrome (131214646412131).

The spelling of 131012224202000 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, two hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 739 1000 1478 2000 2956 3695 5912 7390 11824 14780 18475 29560 36950 59120 73900 92375 147800 184750 295600 369500 739000 1478000 88641559 177283118 354566236 443207795 709132472 886415590 1418264944 1772831180 2216038975 3545662360 4432077950 7091324720 8864155900 11080194875 17728311800 22160389750 35456623600 44320779500 65506112101 88641559000 131012224202 177283118000 262024448404 327530560505 524048896808 655061121010 1048097793616 1310122242020 1637652802525 2620244484040 3275305605050 5240488968080 6550611210100 8188264012625 13101222420200 16376528025250 26202444840400 32753056050500 65506112101000 131012224202000