Search a number
-
+
314403861981 = 31119801481157
BaseRepresentation
bin1001001001100111110…
…11100011010111011101
31010001112100100000210210
410210303323203113131
520122344342040411
6400233553523033
731500135506136
oct4446373432735
91101470300723
10314403861981
11111379868a70
1250b25273479
1323857001b71
1411308106c8d
1582a1eb9ca6
hex4933ee35dd

314403861981 has 16 divisors (see below), whose sum is σ = 457338754368. Its totient is φ = 190537776000.

The previous prime is 314403861913. The next prime is 314403861983. The reversal of 314403861981 is 189168304413.

It is not a de Polignac number, because 314403861981 - 217 = 314403730909 is a prime.

It is a super-2 number, since 2×3144038619812 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 314403861981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314403861983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412855 + ... + 894011.

It is an arithmetic number, because the mean of its divisors is an integer number (28583672148).

Almost surely, 2314403861981 is an apocalyptic number.

It is an amenable number.

314403861981 is a deficient number, since it is larger than the sum of its proper divisors (142934892387).

314403861981 is a wasteful number, since it uses less digits than its factorization.

314403861981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500972.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 314403861981 in words is "three hundred fourteen billion, four hundred three million, eight hundred sixty-one thousand, nine hundred eighty-one".

Divisors: 1 3 11 33 19801 59403 217811 481157 653433 1443471 5292727 15878181 9527389757 28582169271 104801287327 314403861981