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98045031431 = 230534253027
BaseRepresentation
bin101101101001111110…
…0000111010000000111
3100101001221000122112102
41123103330013100013
53101244012001211
6113012525142315
710040435005454
oct1332374072007
9311057018472
1098045031431
11386429562a6
12170030ba99b
1393267a10c9
144a6156882b
15283c7bea3b
hex16d3f07407

98045031431 has 4 divisors (see below), whose sum is σ = 98049307512. Its totient is φ = 98040755352.

The previous prime is 98045031407. The next prime is 98045031457. The reversal of 98045031431 is 13413054089.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-98045031431 is a prime.

It is a super-2 number, since 2×980450314312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98045031131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2103461 + ... + 2149566.

It is an arithmetic number, because the mean of its divisors is an integer number (24512326878).

Almost surely, 298045031431 is an apocalyptic number.

98045031431 is a deficient number, since it is larger than the sum of its proper divisors (4276081).

98045031431 is a wasteful number, since it uses less digits than its factorization.

98045031431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276080.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 98045031431 in words is "ninety-eight billion, forty-five million, thirty-one thousand, four hundred thirty-one".

Divisors: 1 23053 4253027 98045031431