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16290988901 = 1131431397993
BaseRepresentation
bin11110010110000010…
…01100001101100101
31120001100100222112022
433023001030031211
5231330443121101
611252312232525
71114464056315
oct171301141545
946040328468
1016290988901
1169aa9250a0
1231a799b745
1316c814a605
14b0787b445
15655324a1b
hex3cb04c365

16290988901 has 32 divisors (see below), whose sum is σ = 18909327360. Its totient is φ = 13896489600.

The previous prime is 16290988867. The next prime is 16290988919. The reversal of 16290988901 is 10988909261.

It is a cyclic number.

It is not a de Polignac number, because 16290988901 - 218 = 16290726757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16290988981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2034161 + ... + 2042153.

It is an arithmetic number, because the mean of its divisors is an integer number (590916480).

Almost surely, 216290988901 is an apocalyptic number.

16290988901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16290988901 is a deficient number, since it is larger than the sum of its proper divisors (2618338459).

16290988901 is a wasteful number, since it uses less digits than its factorization.

16290988901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8217.

The product of its (nonzero) digits is 559872, while the sum is 53.

The spelling of 16290988901 in words is "sixteen billion, two hundred ninety million, nine hundred eighty-eight thousand, nine hundred one".

Divisors: 1 11 31 43 139 341 473 1333 1529 4309 5977 7993 14663 47399 65747 87923 185287 247783 343699 1111027 2038157 2725613 3780689 10654669 12221297 34441837 47774161 117201359 378860207 525515771 1480998991 16290988901