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1010121252 = 223712025253
BaseRepresentation
bin111100001101010…
…011101000100100
32121101201110212020
4330031103220210
54032042340002
6244122223140
734013613630
oct7415235044
92541643766
101010121252
11479207058
12242354ab0
13131371caa
1498223dc0
155da302bc
hex3c353a24

1010121252 has 24 divisors (see below), whose sum is σ = 2693656896. Its totient is φ = 288606048.

The previous prime is 1010121197. The next prime is 1010121271. The reversal of 1010121252 is 2521210101.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6012543 + ... + 6012710.

It is an arithmetic number, because the mean of its divisors is an integer number (112235704).

Almost surely, 21010121252 is an apocalyptic number.

1010121252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010121252 is an abundant number, since it is smaller than the sum of its proper divisors (1683535644).

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

1010121252 is a wasteful number, since it uses less digits than its factorization.

1010121252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12025267 (or 12025265 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1010121252 is about 31782.4047548325. The cubic root of 1010121252 is about 1003.3624320456.

Adding to 1010121252 its reverse (2521210101), we get a palindrome (3531331353).

The spelling of 1010121252 in words is "one billion, ten million, one hundred twenty-one thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 12025253 24050506 36075759 48101012 72151518 84176771 144303036 168353542 252530313 336707084 505060626 1010121252