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31432024146 = 2310948061199
BaseRepresentation
bin11101010001011111…
…101010000001010010
310000010112220021012110
4131101133222001102
51003333044233041
622234545210150
72161625540235
oct352137520122
9100115807173
1031432024146
111236a615a66
126112630956
132c6bc76c73
1417426d541c
15c3e6e7516
hex7517ea052

31432024146 has 16 divisors (see below), whose sum is σ = 63440784000. Its totient is φ = 10381218768.

The previous prime is 31432024093. The next prime is 31432024147. The reversal of 31432024146 is 64142023413.

It is not an unprimeable number, because it can be changed into a prime (31432024147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24029946 + ... + 24031253.

It is an arithmetic number, because the mean of its divisors is an integer number (3965049000).

Almost surely, 231432024146 is an apocalyptic number.

31432024146 is an abundant number, since it is smaller than the sum of its proper divisors (32008759854).

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

31432024146 is a wasteful number, since it uses less digits than its factorization.

31432024146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48061313.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 31432024146 its reverse (64142023413), we get a palindrome (95574047559).

The spelling of 31432024146 in words is "thirty-one billion, four hundred thirty-two million, twenty-four thousand, one hundred forty-six".

Divisors: 1 2 3 6 109 218 327 654 48061199 96122398 144183597 288367194 5238670691 10477341382 15716012073 31432024146