Search a number
-
+
13405600340 = 2251161998927
BaseRepresentation
bin11000111110000100…
…10011101001010100
31021121021000001112022
430133002103221110
5204423313202330
610054120312312
7653126502626
oct143702235124
937537001468
1013405600340
11575a125a50
122721612698
1313584243c2
1491258ac16
15536d6eae5
hex31f093a54

13405600340 has 48 divisors (see below), whose sum is σ = 31214502144. Its totient is φ = 4794844800.

The previous prime is 13405600267. The next prime is 13405600343. The reversal of 13405600340 is 4300650431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405600343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486044 + ... + 512883.

It is an arithmetic number, because the mean of its divisors is an integer number (650302128).

Almost surely, 213405600340 is an apocalyptic number.

13405600340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13405600340 is an abundant number, since it is smaller than the sum of its proper divisors (17808901804).

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

13405600340 is a wasteful number, since it uses less digits than its factorization.

13405600340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999008 (or 999006 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The spelling of 13405600340 in words is "thirteen billion, four hundred five million, six hundred thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 61 110 122 220 244 305 610 671 1220 1342 2684 3355 6710 13420 998927 1997854 3995708 4994635 9989270 10988197 19978540 21976394 43952788 54940985 60934547 109881970 121869094 219763940 243738188 304672735 609345470 670280017 1218690940 1340560034 2681120068 3351400085 6702800170 13405600340