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16130961 = 337117759
BaseRepresentation
bin111101100010…
…001110010001
31010100112112000
4331202032101
513112142321
61333424213
7254053020
oct75421621
933315460
1016130961
119118480
12549b069
13345a362
1421dc8b7
151639826
hexf62391

16130961 has 32 divisors (see below), whose sum is σ = 29798400. Its totient is φ = 8378640.

The previous prime is 16130957. The next prime is 16130971. The reversal of 16130961 is 16903161.

16130961 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16130961 - 22 = 16130957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16130911) 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, 1801 + ... + 5958.

It is an arithmetic number, because the mean of its divisors is an integer number (931200).

Almost surely, 216130961 is an apocalyptic number.

16130961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16130961 is a deficient number, since it is larger than the sum of its proper divisors (13667439).

16130961 is a wasteful number, since it uses less digits than its factorization.

16130961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7786 (or 7780 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 16130961 is about 4016.3367637687. The cubic root of 16130961 is about 252.6698448820.

The spelling of 16130961 in words is "sixteen million, one hundred thirty thousand, nine hundred sixty-one".

Divisors: 1 3 7 9 11 21 27 33 63 77 99 189 231 297 693 2079 7759 23277 54313 69831 85349 162939 209493 256047 488817 597443 768141 1466451 1792329 2304423 5376987 16130961