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1012222130 = 25101222213
BaseRepresentation
bin111100010101010…
…100100010110010
32121112200012201112
4330111110202302
54033112102010
6244235233322
734040513633
oct7425244262
92545605645
101012222130
1147a411517
12242ba8842
1313192930a
149860d88a
155dce7a05
hex3c5548b2

1012222130 has 8 divisors (see below), whose sum is σ = 1821999852. Its totient is φ = 404888848.

The previous prime is 1012222129. The next prime is 1012222139. The reversal of 1012222130 is 312222101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 954871801 + 57350329 = 30901^2 + 7573^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1012222139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50611097 + ... + 50611116.

Almost surely, 21012222130 is an apocalyptic number.

1012222130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012222130 is a deficient number, since it is larger than the sum of its proper divisors (809777722).

1012222130 is a wasteful number, since it uses less digits than its factorization.

1012222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101222220.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1012222130 is about 31815.4385479754. The cubic root of 1012222130 is about 1004.0575572946.

Adding to 1012222130 its reverse (312222101), we get a palindrome (1324444231).

The spelling of 1012222130 in words is "one billion, twelve million, two hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 101222213 202444426 506111065 1012222130