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11901660119 = 971011214827
BaseRepresentation
bin10110001010110010…
…01110101111010111
31010201110001222101122
423011121032233113
5143333311110434
65244553514155
7600635304356
oct130531165727
933643058348
1011901660119
1150581a4448
122381a1295b
13117898284b
1480c93d99d
15499ce7c2e
hex2c564ebd7

11901660119 has 8 divisors (see below), whose sum is σ = 12143420688. Its totient is φ = 11662329600.

The previous prime is 11901660107. The next prime is 11901660131. The reversal of 11901660119 is 91106610911.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11901660107) and next prime (11901660131).

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-11901660119 is a prime.

It is a super-2 number, since 2×119016601192 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11901660149) 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, 597617 + ... + 617210.

It is an arithmetic number, because the mean of its divisors is an integer number (1517927586).

Almost surely, 211901660119 is an apocalyptic number.

11901660119 is a deficient number, since it is larger than the sum of its proper divisors (241760569).

11901660119 is a wasteful number, since it uses less digits than its factorization.

11901660119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215025.

The product of its (nonzero) digits is 2916, while the sum is 35.

The spelling of 11901660119 in words is "eleven billion, nine hundred one million, six hundred sixty thousand, one hundred nineteen".

Divisors: 1 97 101 9797 1214827 117838219 122697527 11901660119