Search a number
-
+
1381508982476 = 227411522779031
BaseRepresentation
bin10100000110101000010…
…110100010011011001100
311220001220201212210000222
4110012220112202123030
5140113312244414401
62534353444010512
7201545036411660
oct24065026423314
94801821783028
101381508982476
11492992894127
121a38b4690a38
13a0377a47b9c
144ac188c48a0
1525e09b14c1b
hex141a85a26cc

1381508982476 has 48 divisors (see below), whose sum is σ = 2830630344192. Its totient is φ = 577589174400.

The previous prime is 1381508982473. The next prime is 1381508982499. The reversal of 1381508982476 is 6742898051831.

It is not an unprimeable number, because it can be changed into a prime (1381508982473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17441081 + ... + 17520111.

It is an arithmetic number, because the mean of its divisors is an integer number (58971465504).

It is a 1-persistent number, because it is pandigital, but 2⋅1381508982476 = 2763017964952 is not.

Almost surely, 21381508982476 is an apocalyptic number.

It is an amenable number.

1381508982476 is an abundant number, since it is smaller than the sum of its proper divisors (1449121361716).

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

1381508982476 is a wasteful number, since it uses less digits than its factorization.

1381508982476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94310 (or 94308 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 62.

The spelling of 1381508982476 in words is "one trillion, three hundred eighty-one billion, five hundred eight million, nine hundred eighty-two thousand, four hundred seventy-six".

Divisors: 1 2 4 7 14 28 41 82 164 287 574 1148 15227 30454 60908 79031 106589 158062 213178 316124 426356 553217 624307 1106434 1248614 2212868 2497228 3240271 4370149 6480542 8740298 12961084 17480596 22681897 45363794 90727588 1203405037 2406810074 4813620148 8423835259 16847670518 33695341036 49339606517 98679213034 197358426068 345377245619 690754491238 1381508982476