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11212513153 = 103108859351
BaseRepresentation
bin10100111000101000…
…10101111110000001
31001221102022200110221
422130110111332001
5140430400410103
65052335023041
7544566534502
oct123424257601
931842280427
1011212513153
1148341980a6
12220b06aa81
131098c7338a
147851ccba9
1545956b1bd
hex29c515f81

11212513153 has 4 divisors (see below), whose sum is σ = 11321372608. Its totient is φ = 11103653700.

The previous prime is 11212513063. The next prime is 11212513157. The reversal of 11212513153 is 35131521211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11212513153 - 233 = 2622578561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212513157) 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, 54429573 + ... + 54429778.

It is an arithmetic number, because the mean of its divisors is an integer number (2830343152).

Almost surely, 211212513153 is an apocalyptic number.

It is an amenable number.

11212513153 is a deficient number, since it is larger than the sum of its proper divisors (108859455).

11212513153 is a wasteful number, since it uses less digits than its factorization.

11212513153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108859454.

The product of its digits is 900, while the sum is 25.

The spelling of 11212513153 in words is "eleven billion, two hundred twelve million, five hundred thirteen thousand, one hundred fifty-three".

Divisors: 1 103 108859351 11212513153