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1010120022 = 23256117779
BaseRepresentation
bin111100001101010…
…011010101010110
32121101201102011200
4330031103111112
54032042320042
6244122213330
734013610222
oct7415232526
92541642150
101010120022
1147920613a
12242354246
13131371572
1498223782
155da2ec4c
hex3c353556

1010120022 has 12 divisors (see below), whose sum is σ = 2188593420. Its totient is φ = 336706668.

The previous prime is 1010120011. The next prime is 1010120029. The reversal of 1010120022 is 2200210101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1010119986 and 1010120013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010120029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28058872 + ... + 28058907.

It is an arithmetic number, because the mean of its divisors is an integer number (182382785).

Almost surely, 21010120022 is an apocalyptic number.

1010120022 is an abundant number, since it is smaller than the sum of its proper divisors (1178473398).

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

1010120022 is a wasteful number, since it uses less digits than its factorization.

1010120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56117787 (or 56117784 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1010120022 is about 31782.3854044973. The cubic root of 1010120022 is about 1003.3620247888.

Adding to 1010120022 its reverse (2200210101), we get a palindrome (3210330123).

The spelling of 1010120022 in words is "one billion, ten million, one hundred twenty thousand, twenty-two".

Divisors: 1 2 3 6 9 18 56117779 112235558 168353337 336706674 505060011 1010120022