Search a number
-
+
12713507650580 = 2251157788671139
BaseRepresentation
bin1011100100000001100000…
…0110110111110000010100
31200000101210012121020200012
42321000120012313300110
53131244230424304310
643012301011135352
72451343366663352
oct271003006676024
950011705536605
1012713507650580
11406184a6a0290
121513b67ba4558
13712b56461979
1431d4a0c367d2
15170a92ca4c05
hexb90181b7c14

12713507650580 has 24 divisors (see below), whose sum is σ = 29125490254560. Its totient is φ = 4623093691040.

The previous prime is 12713507650561. The next prime is 12713507650637. The reversal of 12713507650580 is 8505670531721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28894335350 + ... + 28894335789.

It is an arithmetic number, because the mean of its divisors is an integer number (1213562093940).

Almost surely, 212713507650580 is an apocalyptic number.

12713507650580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12713507650580 is an abundant number, since it is smaller than the sum of its proper divisors (16411982603980).

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

12713507650580 is a wasteful number, since it uses less digits than its factorization.

12713507650580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57788671159 (or 57788671157 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 50.

The spelling of 12713507650580 in words is "twelve trillion, seven hundred thirteen billion, five hundred seven million, six hundred fifty thousand, five hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 57788671139 115577342278 231154684556 288943355695 577886711390 635675382529 1155773422780 1271350765058 2542701530116 3178376912645 6356753825290 12713507650580