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1025416161 = 3271161127191
BaseRepresentation
bin111101000111101…
…001101111100001
32122110111112112100
4331013221233201
54100001304121
6245430121013
734260615330
oct7507515741
92573445470
101025416161
11486903380
122474b0169
13134598933
149a285d17
1560052026
hex3d1e9be1

1025416161 has 96 divisors (see below), whose sum is σ = 1901592576. Its totient is φ = 517104000.

The previous prime is 1025416157. The next prime is 1025416177. The reversal of 1025416161 is 1616145201.

1025416161 is a `hidden beast` number, since 1 + 0 + 2 + 5 + 41 + 616 + 1 = 666.

It is not a de Polignac number, because 1025416161 - 22 = 1025416157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1025416661) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5368576 + ... + 5368766.

It is an arithmetic number, because the mean of its divisors is an integer number (19808256).

Almost surely, 21025416161 is an apocalyptic number.

1025416161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1025416161 is a deficient number, since it is larger than the sum of its proper divisors (876176415).

1025416161 is a wasteful number, since it uses less digits than its factorization.

1025416161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1025416161 is about 32022.1198704895. The cubic root of 1025416161 is about 1008.4012745939.

The spelling of 1025416161 in words is "one billion, twenty-five million, four hundred sixteen thousand, one hundred sixty-one".

Divisors: 1 3 7 9 11 21 33 61 63 77 99 127 183 191 231 381 427 549 573 671 693 889 1143 1281 1337 1397 1719 2013 2101 2667 3843 4011 4191 4697 6039 6303 7747 8001 9779 11651 12033 12573 14091 14707 18909 23241 24257 29337 34953 42273 44121 54229 69723 72771 81557 85217 88011 104859 128161 132363 162687 169799 218313 244671 255651 266827 384483 488061 509397 596519 734013 766953 800481 897127 1153449 1479677 1528191 1789557 1867789 2401443 2691381 4439031 5368671 5603367 8074143 10357739 13317093 16276447 16810101 31073217 48829341 93219651 113935129 146488023 341805387 1025416161