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1230013021332 = 223137748183103
BaseRepresentation
bin10001111001100010011…
…111010011110010010100
311100120212201111120021010
4101321202133103302110
5130123031313140312
62341020555452220
7154602604113654
oct21714237236224
94316781446233
101230013021332
11434711314257
1217a474a57070
138bcb358b924
14437665a2364
1521edea3793c
hex11e627d3c94

1230013021332 has 24 divisors (see below), whose sum is σ = 2890979513856. Its totient is φ = 407011607488.

The previous prime is 1230013021319. The next prime is 1230013021333. The reversal of 1230013021332 is 2331203100321.

It is a junction number, because it is equal to n+sod(n) for n = 1230013021299 and 1230013021308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230013021333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374089908 + ... + 374093195.

It is an arithmetic number, because the mean of its divisors is an integer number (120457479744).

Almost surely, 21230013021332 is an apocalyptic number.

1230013021332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230013021332 is an abundant number, since it is smaller than the sum of its proper divisors (1660966492524).

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

1230013021332 is a wasteful number, since it uses less digits than its factorization.

1230013021332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748183247 (or 748183245 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1230013021332 its reverse (2331203100321), we get a palindrome (3561216121653).

The spelling of 1230013021332 in words is "one trillion, two hundred thirty billion, thirteen million, twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 748183103 1496366206 2244549309 2992732412 4489098618 8978197236 102501085111 205002170222 307503255333 410004340444 615006510666 1230013021332