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131145151432 = 2379207508151
BaseRepresentation
bin111101000100011011…
…1000011001111001000
3110112111201201222001211
41322020313003033020
54122041124321212
6140125223422504
712321620252161
oct1721067031710
9415451658054
10131145151432
1150689023379
12215002b4a34
13c4a0203a29
1464c15dc768
1536286679a7
hex1e88dc33c8

131145151432 has 16 divisors (see below), whose sum is σ = 249009782400. Its totient is φ = 64742542800.

The previous prime is 131145151409. The next prime is 131145151433. The reversal of 131145151432 is 234151541131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131145151394 and 131145151403.

It is not an unprimeable number, because it can be changed into a prime (131145151433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103753444 + ... + 103754707.

It is an arithmetic number, because the mean of its divisors is an integer number (15563111400).

Almost surely, 2131145151432 is an apocalyptic number.

It is an amenable number.

131145151432 is a deficient number, since it is larger than the sum of its proper divisors (117864630968).

131145151432 is a wasteful number, since it uses less digits than its factorization.

131145151432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207508236 (or 207508232 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

Adding to 131145151432 its reverse (234151541131), we get a palindrome (365296692563).

The spelling of 131145151432 in words is "one hundred thirty-one billion, one hundred forty-five million, one hundred fifty-one thousand, four hundred thirty-two".

Divisors: 1 2 4 8 79 158 316 632 207508151 415016302 830032604 1660065208 16393143929 32786287858 65572575716 131145151432