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1214154205214 = 219972412695081
BaseRepresentation
bin10001101010110001001…
…110101110100000011110
311022001221111100020100012
4101222301032232200132
5124343041434031324
62325435202203222
7153501605314316
oct21526116564036
94261844306305
101214154205214
11428a13439a55
12177389953512
138a656b38872
1442aa02a2446
15218b262e20e
hex11ab13ae81e

1214154205214 has 64 divisors (see below), whose sum is σ = 1952500334400. Its totient is φ = 564616396800.

The previous prime is 1214154205213. The next prime is 1214154205247. The reversal of 1214154205214 is 4125024514121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214154205213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238957154 + ... + 238962234.

It is an arithmetic number, because the mean of its divisors is an integer number (30507817725).

Almost surely, 21214154205214 is an apocalyptic number.

1214154205214 is a deficient number, since it is larger than the sum of its proper divisors (738346129186).

1214154205214 is a wasteful number, since it uses less digits than its factorization.

1214154205214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709.

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 1214154205214 its reverse (4125024514121), we get a palindrome (5339178719335).

The spelling of 1214154205214 in words is "one trillion, two hundred fourteen billion, one hundred fifty-four million, two hundred five thousand, two hundred fourteen".

Divisors: 1 2 19 38 97 194 241 269 482 538 1843 3686 4579 5081 5111 9158 10162 10222 23377 26093 46754 52186 64829 96539 129658 193078 444163 492857 495767 888326 985714 991534 1224521 1231751 1366789 2449042 2463502 2733578 6288413 9364283 12576826 18728566 23265899 25968991 46531798 51937982 118778537 119479847 132578533 237557074 238959694 265157066 329396149 658792298 2256792203 2518992127 4513584406 5037984254 6258526831 12517053662 31951426453 63902852906 607077102607 1214154205214