Search a number
-
+
1214405443340 = 225311958718457
BaseRepresentation
bin10001101011000000001…
…101000111111100001100
311022002121000002110020222
4101223000031013330030
5124344100243141330
62325520135130512
7153511045644065
oct21530015077414
94262530073228
101214405443340
11429032238971
12177439b13a38
138a696bc298b
1442ac57c156c
15218c970a0e5
hex11ac0347f0c

1214405443340 has 24 divisors (see below), whose sum is σ = 2632517607552. Its totient is φ = 470092429440.

The previous prime is 1214405443337. The next prime is 1214405443379. The reversal of 1214405443340 is 433445044121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1214405443340.

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, 979358609 + ... + 979359848.

It is an arithmetic number, because the mean of its divisors is an integer number (109688233648).

Almost surely, 21214405443340 is an apocalyptic number.

1214405443340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214405443340 is an abundant number, since it is smaller than the sum of its proper divisors (1418112164212).

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

1214405443340 is a wasteful number, since it uses less digits than its factorization.

1214405443340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958718497 (or 1958718495 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 1214405443340 in words is "one trillion, two hundred fourteen billion, four hundred five million, four hundred forty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1958718457 3917436914 7834873828 9793592285 19587184570 39174369140 60720272167 121440544334 242881088668 303601360835 607202721670 1214405443340