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11631587914 = 210382968111
BaseRepresentation
bin10101101010100101…
…11111001001001010
31010000121212212222101
422311102333021022
5142310141303124
65202105144014
7561145603012
oct126522771112
933017785871
1011631587914
114a29801181
12230748b00a
131134a32bcb
147c4b1ac42
1548124b644
hex2b54bf24a

11631587914 has 16 divisors (see below), whose sum is σ = 17638283520. Its totient is φ = 5752298160.

The previous prime is 11631587897. The next prime is 11631587927. The reversal of 11631587914 is 41978513611.

It is a super-2 number, since 2×116315879142 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136719 + ... + 204829.

It is an arithmetic number, because the mean of its divisors is an integer number (1102392720).

Almost surely, 211631587914 is an apocalyptic number.

11631587914 is a deficient number, since it is larger than the sum of its proper divisors (6006695606).

11631587914 is a wasteful number, since it uses less digits than its factorization.

11631587914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69045.

The product of its digits is 181440, while the sum is 46.

The spelling of 11631587914 in words is "eleven billion, six hundred thirty-one million, five hundred eighty-seven thousand, nine hundred fourteen".

Divisors: 1 2 103 206 829 1658 68111 85387 136222 170774 7015433 14030866 56464019 112928038 5815793957 11631587914