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1220332300206 = 231376192398367
BaseRepresentation
bin10001110000100001011…
…110010010011110101110
311022122220001111222102020
4101300201132102132232
5124443220032101311
62332340220211010
7154110654255135
oct21604136223656
94278801458366
101220332300206
114305a3851188
12178612999a66
138b0cca8c386
14430c89d091c
1521b24be5c06
hex11c217927ae

1220332300206 has 32 divisors (see below), whose sum is σ = 2462452392960. Its totient is φ = 403155731136.

The previous prime is 1220332300169. The next prime is 1220332300207. The reversal of 1220332300206 is 6020032330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220332300207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690366 + ... + 1708001.

It is an arithmetic number, because the mean of its divisors is an integer number (76951637280).

Almost surely, 21220332300206 is an apocalyptic number.

1220332300206 is an abundant number, since it is smaller than the sum of its proper divisors (1242120092754).

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

1220332300206 is a wasteful number, since it uses less digits than its factorization.

1220332300206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399128.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1220332300206 its reverse (6020032330221), we get a palindrome (7240364630427).

The spelling of 1220332300206 in words is "one trillion, two hundred twenty billion, three hundred thirty-two million, three hundred thousand, two hundred six".

Divisors: 1 2 3 6 137 274 411 619 822 1238 1857 3714 84803 169606 254409 508818 2398367 4796734 7195101 14390202 328576279 657152558 985728837 1484589173 1971457674 2969178346 4453767519 8907535038 203388716701 406777433402 610166150103 1220332300206