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5401078831 = 59891028581
BaseRepresentation
bin1010000011110110…
…11110110000101111
3111221102002020021201
411001323132300233
542030134010311
62251535510331
7250562261341
oct50173366057
914842066251
105401078831
11232184a515
1210689883a7
13680c8a245
14393467291
1521927e9c1
hex141edec2f

5401078831 has 8 divisors (see below), whose sum is σ = 5554342800. Its totient is φ = 5249872320.

The previous prime is 5401078807. The next prime is 5401078841. The reversal of 5401078831 is 1388701045.

5401078831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5401078831 - 213 = 5401070639 is a prime.

It is a super-2 number, since 2×54010788312 = 58343305077352653122, which 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 (5401078841) 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 7 ways as a sum of consecutive naturals, for example, 509040 + ... + 519541.

It is an arithmetic number, because the mean of its divisors is an integer number (694292850).

Almost surely, 25401078831 is an apocalyptic number.

5401078831 is a deficient number, since it is larger than the sum of its proper divisors (153263969).

5401078831 is a wasteful number, since it uses less digits than its factorization.

5401078831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028729.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 5401078831 is about 73492.0324320943. The cubic root of 5401078831 is about 1754.5274692585.

Adding to 5401078831 its reverse (1388701045), we get a palindrome (6789779876).

The spelling of 5401078831 in words is "five billion, four hundred one million, seventy-eight thousand, eight hundred thirty-one".

Divisors: 1 59 89 5251 1028581 60686279 91543709 5401078831