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1220554052023 = 7236716866169
BaseRepresentation
bin10001110000101110101…
…100001101000110110111
311022200110111210010201111
4101300232230031012313
5124444143314131043
62332414221135451
7154116316155655
oct21605654150667
94280414703644
101220554052023
114306a7a40649
121786750ba587
138b1369c1277
144310a235dd5
1521b393ea09d
hex11c2eb0d1b7

1220554052023 has 4 divisors (see below), whose sum is σ = 1220570990560. Its totient is φ = 1220537113488.

The previous prime is 1220554051973. The next prime is 1220554052027. The reversal of 1220554052023 is 3202504550221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220554052023 - 217 = 1220553920951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220554052027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8360718 + ... + 8505451.

It is an arithmetic number, because the mean of its divisors is an integer number (305142747640).

Almost surely, 21220554052023 is an apocalyptic number.

1220554052023 is a deficient number, since it is larger than the sum of its proper divisors (16938537).

1220554052023 is an equidigital number, since it uses as much as digits as its factorization.

1220554052023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16938536.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 1220554052023 in words is "one trillion, two hundred twenty billion, five hundred fifty-four million, fifty-two thousand, twenty-three".

Divisors: 1 72367 16866169 1220554052023