Search a number
-
+
13187603881488 = 243274741747531
BaseRepresentation
bin1011111111100111101001…
…1100011101111000010000
31201200201111210022010222110
42333321322130131320100
53212031203043201423
644014145050505320
72530526055314241
oct277717234357020
951621453263873
1013187603881488
114224916655653
12158ba19a35240
1374877ca6010a
143383d7a54cc8
1517d08e6e2193
hexbfe7a71de10

13187603881488 has 20 divisors (see below), whose sum is σ = 34067976693968. Its totient is φ = 4395867960480.

The previous prime is 13187603881399. The next prime is 13187603881489. The reversal of 13187603881488 is 88418830678131.

It is a super-3 number, since 3×131876038814883 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13187603881489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137370873718 + ... + 137370873813.

Almost surely, 213187603881488 is an apocalyptic number.

It is an amenable number.

13187603881488 is an abundant number, since it is smaller than the sum of its proper divisors (20880372812480).

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

13187603881488 is a wasteful number, since it uses less digits than its factorization.

13187603881488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274741747542 (or 274741747536 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 66.

The spelling of 13187603881488 in words is "thirteen trillion, one hundred eighty-seven billion, six hundred three million, eight hundred eighty-one thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 274741747531 549483495062 824225242593 1098966990124 1648450485186 2197933980248 3296900970372 4395867960496 6593801940744 13187603881488