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11933702897 = 23351217609
BaseRepresentation
bin10110001110100110…
…11101101011110001
31010210200100220211012
423013103131223301
5143420011443042
65252100400305
7601504541504
oct130723355361
933720326735
1011933702897
11507429a686
1223906a6095
1311824c157c
14812cc113b
1549ca26e82
hex2c74ddaf1

11933702897 has 4 divisors (see below), whose sum is σ = 11984920740. Its totient is φ = 11882485056.

The previous prime is 11933702887. The next prime is 11933702903. The reversal of 11933702897 is 79820733911.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1060218721 + 10873484176 = 32561^2 + 104276^2 .

It is a cyclic number.

It is not a de Polignac number, because 11933702897 - 222 = 11929508593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11933702827) 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, 25608572 + ... + 25609037.

It is an arithmetic number, because the mean of its divisors is an integer number (2996230185).

Almost surely, 211933702897 is an apocalyptic number.

It is an amenable number.

11933702897 is a deficient number, since it is larger than the sum of its proper divisors (51217843).

11933702897 is an equidigital number, since it uses as much as digits as its factorization.

11933702897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51217842.

The product of its (nonzero) digits is 571536, while the sum is 50.

The spelling of 11933702897 in words is "eleven billion, nine hundred thirty-three million, seven hundred two thousand, eight hundred ninety-seven".

Divisors: 1 233 51217609 11933702897