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1214504320520 = 235103123294431
BaseRepresentation
bin10001101011000110000…
…110010011111000001000
311022002211220010221020202
4101223012012103320020
5124344301101224040
62325534030311332
7153513356251541
oct21530606237010
94262756127222
101214504320520
11429083032847
12177467058548
138a6b153239a
1442ad499d4c8
15218d323c015
hex11ac6193e08

1214504320520 has 32 divisors (see below), whose sum is σ = 2732670501120. Its totient is φ = 485795367360.

The previous prime is 1214504320493. The next prime is 1214504320543. The reversal of 1214504320520 is 250234054121.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3977705 + ... + 4272135.

It is an arithmetic number, because the mean of its divisors is an integer number (85395953160).

Almost surely, 21214504320520 is an apocalyptic number.

1214504320520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214504320520 is an abundant number, since it is smaller than the sum of its proper divisors (1518166180600).

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

1214504320520 is a wasteful number, since it uses less digits than its factorization.

1214504320520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397565 (or 397561 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 1214504320520 its reverse (250234054121), we get a palindrome (1464738374641).

The spelling of 1214504320520 in words is "one trillion, two hundred fourteen billion, five hundred four million, three hundred twenty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 103123 206246 294431 412492 515615 588862 824984 1031230 1177724 1472155 2062460 2355448 2944310 4124920 5888620 11777240 30362608013 60725216026 121450432052 151813040065 242900864104 303626080130 607252160260 1214504320520