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11520514160031 = 3109157224400829
BaseRepresentation
bin1010011110100101010000…
…1001110111010110011111
31111210100110102212200202210
42213221110021313112133
53002223003111110111
640300241240251503
72266221036430512
oct247512411672637
944710412780683
1011520514160031
1137419059a4478
121360904a70b93
136574c261ba56
142bb84b080d79
1514ea1d26c0a6
hexa7a5427759f

11520514160031 has 16 divisors (see below), whose sum is σ = 15600345701600. Its totient is φ = 7561410300288.

The previous prime is 11520514160011. The next prime is 11520514160041. The reversal of 11520514160031 is 13006141502511.

It is a de Polignac number, because none of the positive numbers 2k-11520514160031 is a prime.

It is a super-2 number, since 2×115205141600312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520514160011) 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, 112149076 + ... + 112251753.

It is an arithmetic number, because the mean of its divisors is an integer number (975021606350).

Almost surely, 211520514160031 is an apocalyptic number.

11520514160031 is a deficient number, since it is larger than the sum of its proper divisors (4079831541569).

11520514160031 is a wasteful number, since it uses less digits than its factorization.

11520514160031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224401098.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 11520514160031 its reverse (13006141502511), we get a palindrome (24526655662542).

The spelling of 11520514160031 in words is "eleven trillion, five hundred twenty billion, five hundred fourteen million, one hundred sixty thousand, thirty-one".

Divisors: 1 3 109 157 327 471 17113 51339 224400829 673202487 24459690361 35230930153 73379071083 105692790459 3840171386677 11520514160031