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11421212411 = 779101204487
BaseRepresentation
bin10101010001100000…
…11101111011111011
31002110222000201001002
422220300131323323
5141342312244121
65125152115215
7553012463240
oct125060357373
932428021032
1011421212411
114930a81a24
122268b35b0b
13110028516b
147a4bd75c7
1546ca42e0b
hex2a8c1defb

11421212411 has 16 divisors (see below), whose sum is σ = 13348976640. Its totient is φ = 9569944800.

The previous prime is 11421212359. The next prime is 11421212423.

11421212411 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 11421212411 - 214 = 11421196027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11421212311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46391 + ... + 158096.

It is an arithmetic number, because the mean of its divisors is an integer number (834311040).

Almost surely, 211421212411 is an apocalyptic number.

11421212411 is a deficient number, since it is larger than the sum of its proper divisors (1927764229).

11421212411 is a wasteful number, since it uses less digits than its factorization.

11421212411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204674.

The product of its digits is 128, while the sum is 20.

The spelling of 11421212411 in words is "eleven billion, four hundred twenty-one million, two hundred twelve thousand, four hundred eleven".

Divisors: 1 7 79 101 553 707 7979 55853 204487 1431409 16154473 20653187 113081311 144572309 1631601773 11421212411