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1022102052 = 22385175171
BaseRepresentation
bin111100111011000…
…000101000100100
32122020021011102120
4330323000220210
54043124231202
6245231105540
734220503236
oct7473005044
92566234376
101022102052
11484a4a444
122463722b0
131339a831a
1499a62256
155eaea0bc
hex3cec0a24

1022102052 has 12 divisors (see below), whose sum is σ = 2384904816. Its totient is φ = 340700680.

The previous prime is 1022102041. The next prime is 1022102057. The reversal of 1022102052 is 2502012201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10221020522 = 2089385209405221408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1022102057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42587574 + ... + 42587597.

It is an arithmetic number, because the mean of its divisors is an integer number (198742068).

Almost surely, 21022102052 is an apocalyptic number.

1022102052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022102052 is an abundant number, since it is smaller than the sum of its proper divisors (1362802764).

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

1022102052 is a wasteful number, since it uses less digits than its factorization.

1022102052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85175178 (or 85175176 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1022102052 is about 31970.3308084230. The cubic root of 1022102052 is about 1007.3137296203.

Adding to 1022102052 its reverse (2502012201), we get a palindrome (3524114253).

The spelling of 1022102052 in words is "one billion, twenty-two million, one hundred two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 85175171 170350342 255525513 340700684 511051026 1022102052