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1031102016 = 26374191831
BaseRepresentation
bin111101011101010…
…101111001000000
32122212012102001120
4331131111321000
54102430231031
6250152032240
734360136220
oct7535257100
92585172046
101031102016
1148a03722a
12249392680
13135809949
149ad26080
15607c6a96
hex3d755e40

1031102016 has 112 divisors (see below), whose sum is σ = 3127004160. Its totient is φ = 293736960.

The previous prime is 1031101999. The next prime is 1031102063. The reversal of 1031102016 is 6102011301.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 1031101986 and 1031102004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562221 + ... + 564051.

It is an arithmetic number, because the mean of its divisors is an integer number (27919680).

Almost surely, 21031102016 is an apocalyptic number.

1031102016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031102016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563502080).

1031102016 is an abundant number, since it is smaller than the sum of its proper divisors (2095902144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031102016 is a wasteful number, since it uses less digits than its factorization.

1031102016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272 (or 2262 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1031102016 is about 32110.7772562422. Note that the first 3 decimals coincide. The cubic root of 1031102016 is about 1010.2616764710.

Adding to 1031102016 its reverse (6102011301), we get a palindrome (7133113317).

The spelling of 1031102016 in words is "one billion, thirty-one million, one hundred two thousand, sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 419 448 672 838 1257 1344 1676 1831 2514 2933 3352 3662 5028 5493 5866 6704 7324 8799 10056 10986 11732 12817 13408 14648 17598 20112 21972 23464 25634 26816 29296 35196 38451 40224 43944 46928 51268 58592 70392 76902 80448 87888 93856 102536 117184 140784 153804 175776 187712 205072 281568 307608 351552 410144 563136 615216 767189 820288 1230432 1534378 2301567 2460864 3068756 4603134 5370323 6137512 9206268 10740646 12275024 16110969 18412536 21481292 24550048 32221938 36825072 42962584 49100096 64443876 73650144 85925168 128887752 147300288 171850336 257775504 343700672 515551008 1031102016