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1220023103102 = 2610011551551
BaseRepresentation
bin10001110000001111000…
…010110010111001111110
311022122002111201010201122
4101300033002302321332
5124442101403244402
62332245413110542
7154100211161636
oct21601702627176
94278074633648
101220023103102
11430455265891
12178547328452
138b0809c12cb
14430999056c6
1521b079bbca2
hex11c0f0b2e7e

1220023103102 has 4 divisors (see below), whose sum is σ = 1830034654656. Its totient is φ = 610011551550.

The previous prime is 1220023103093. The next prime is 1220023103107. The reversal of 1220023103102 is 2013013200221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220023103107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305005775774 + ... + 305005775777.

It is an arithmetic number, because the mean of its divisors is an integer number (457508663664).

Almost surely, 21220023103102 is an apocalyptic number.

1220023103102 is a deficient number, since it is larger than the sum of its proper divisors (610011551554).

1220023103102 is an equidigital number, since it uses as much as digits as its factorization.

1220023103102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610011551553.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1220023103102 its reverse (2013013200221), we get a palindrome (3233036303323).

The spelling of 1220023103102 in words is "one trillion, two hundred twenty billion, twenty-three million, one hundred three thousand, one hundred two".

Divisors: 1 2 610011551551 1220023103102