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11720023703 = 17947727997
BaseRepresentation
bin10101110101001000…
…10101111010010111
31010020210021220001222
422322210111322113
5143000311224303
65214544440555
7563301362213
oct127244257227
933223256058
1011720023703
114a74714303
12233101915b
13114a157b8b
147d277b943
15488db9938
hex2ba915e97

11720023703 has 8 divisors (see below), whose sum is σ = 12422557872. Its totient is φ = 11018947456.

The previous prime is 11720023697. The next prime is 11720023741. The reversal of 11720023703 is 30732002711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11720023703 - 26 = 11720023639 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 (11720023753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347900 + ... + 380097.

It is an arithmetic number, because the mean of its divisors is an integer number (1552819734).

Almost surely, 211720023703 is an apocalyptic number.

11720023703 is a deficient number, since it is larger than the sum of its proper divisors (702534169).

11720023703 is an equidigital number, since it uses as much as digits as its factorization.

11720023703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728961.

The product of its (nonzero) digits is 1764, while the sum is 26.

The spelling of 11720023703 in words is "eleven billion, seven hundred twenty million, twenty-three thousand, seven hundred three".

Divisors: 1 17 947 16099 727997 12375949 689413159 11720023703