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11454909697 = 711148765061
BaseRepresentation
bin10101010101100010…
…00000110100000001
31002120022102201000201
422222301000310001
5141424424102242
65132354245201
7553602061120
oct125261006401
932508381021
1011454909697
114948aa8220
122278286801
131107252c9a
147a9489ab7
1547099c4b7
hex2aac40d01

11454909697 has 8 divisors (see below), whose sum is σ = 14281445952. Its totient is φ = 8925903600.

The previous prime is 11454909671. The next prime is 11454909721. The reversal of 11454909697 is 79690945411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11454909697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11454909637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74382454 + ... + 74382607.

It is an arithmetic number, because the mean of its divisors is an integer number (1785180744).

Almost surely, 211454909697 is an apocalyptic number.

It is an amenable number.

11454909697 is a deficient number, since it is larger than the sum of its proper divisors (2826536255).

11454909697 is a wasteful number, since it uses less digits than its factorization.

11454909697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148765079.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 11454909697 in words is "eleven billion, four hundred fifty-four million, nine hundred nine thousand, six hundred ninety-seven".

Divisors: 1 7 11 77 148765061 1041355427 1636415671 11454909697