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5191400931 = 32716385487
BaseRepresentation
bin1001101010110111…
…00111110111100011
3111101210112111021120
410311123213313203
541112444312211
62215045423323
7242435115453
oct46533476743
914353474246
105191400931
1122244573a2
12100a70ab43
136496c4b92
14373685d63
15205b62d06
hex1356e7de3

5191400931 has 8 divisors (see below), whose sum is σ = 6947410944. Its totient is φ = 3448162440.

The previous prime is 5191400899. The next prime is 5191400939. The reversal of 5191400931 is 1390041915.

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

It is not a de Polignac number, because 5191400931 - 25 = 5191400899 is a prime.

It is a super-2 number, since 2×51914009312 = 53901287252775333522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5191400892 and 5191400901.

It is not an unprimeable number, because it can be changed into a prime (5191400939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3191931 + ... + 3193556.

It is an arithmetic number, because the mean of its divisors is an integer number (868426368).

Almost surely, 25191400931 is an apocalyptic number.

5191400931 is a deficient number, since it is larger than the sum of its proper divisors (1756010013).

5191400931 is a wasteful number, since it uses less digits than its factorization.

5191400931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6385761.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 5191400931 is about 72051.3770236211. The cubic root of 5191400931 is about 1731.5227030425.

The spelling of 5191400931 in words is "five billion, one hundred ninety-one million, four hundred thousand, nine hundred thirty-one".

Divisors: 1 3 271 813 6385487 19156461 1730466977 5191400931