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161162928430 = 2577297315517
BaseRepresentation
bin1001011000011000001…
…1110010000100101110
3120101222201111000220021
42112012003302010232
510120030202202210
6202012012512354
714433524201050
oct2260603620456
9511881430807
10161162928430
11623922a9539
122729917b6ba
131227518145a
147b2c1538d0
1542d3b03bda
hex25860f212e

161162928430 has 32 divisors (see below), whose sum is σ = 331581652416. Its totient is φ = 55248113664.

The previous prime is 161162928427. The next prime is 161162928431. The reversal of 161162928430 is 34829261161.

161162928430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161162928431) 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, 353032 + ... + 668548.

It is an arithmetic number, because the mean of its divisors is an integer number (10361926638).

Almost surely, 2161162928430 is an apocalyptic number.

161162928430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161162928430 is an abundant number, since it is smaller than the sum of its proper divisors (170418723986).

161162928430 is a wasteful number, since it uses less digits than its factorization.

161162928430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322828.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 161162928430 in words is "one hundred sixty-one billion, one hundred sixty-two million, nine hundred twenty-eight thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 7297 14594 36485 51079 72970 102158 255395 315517 510790 631034 1577585 2208619 3155170 4417238 11043095 22086190 2302327549 4604655098 11511637745 16116292843 23023275490 32232585686 80581464215 161162928430