Search a number
-
+
133943414488 = 23131287917447
BaseRepresentation
bin111110010111110100…
…1100100111011011000
3110210201202011110100021
41330233221210323120
54143304003230423
6141311024120224
712451146144412
oct1745751447330
9423652143307
10133943414488
1151894624874
1221b61466074
13c827b734a0
1466a90cd9b2
15373e15c95d
hex1f2fa64ed8

133943414488 has 16 divisors (see below), whose sum is σ = 270462664080. Its totient is φ = 61820037408.

The previous prime is 133943414483. The next prime is 133943414531. The reversal of 133943414488 is 884414349331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133943414483) 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, 643958620 + ... + 643958827.

It is an arithmetic number, because the mean of its divisors is an integer number (16903916505).

Almost surely, 2133943414488 is an apocalyptic number.

It is an amenable number.

133943414488 is an abundant number, since it is smaller than the sum of its proper divisors (136519249592).

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

133943414488 is a wasteful number, since it uses less digits than its factorization.

133943414488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287917466 (or 1287917462 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 52.

The spelling of 133943414488 in words is "one hundred thirty-three billion, nine hundred forty-three million, four hundred fourteen thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 13 26 52 104 1287917447 2575834894 5151669788 10303339576 16742926811 33485853622 66971707244 133943414488