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10012020252 = 22313233275449
BaseRepresentation
bin10010101001100001…
…10100111000011100
3221211202101022210220
421110300310320130
5131001034122002
64333252201340
7503051524263
oct112460647034
927752338726
1010012020252
114278585003
121b35009250
13c37338750
146ad9b15da
153d8e847bc
hex254c34e1c

10012020252 has 48 divisors (see below), whose sum is σ = 25266477600. Its totient is φ = 3067388928.

The previous prime is 10012020251. The next prime is 10012020257. The reversal of 10012020252 is 25202021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012020251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101377 + ... + 174072.

It is an arithmetic number, because the mean of its divisors is an integer number (526384950).

Almost surely, 210012020252 is an apocalyptic number.

10012020252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10012020252 is an abundant number, since it is smaller than the sum of its proper divisors (15254457348).

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

10012020252 is a wasteful number, since it uses less digits than its factorization.

10012020252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275702 (or 275700 counting only the distinct ones).

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

Adding to 10012020252 its reverse (25202021001), we get a palindrome (35214041253).

The spelling of 10012020252 in words is "ten billion, twelve million, twenty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 233 466 699 932 1398 2796 3029 6058 9087 12116 18174 36348 275449 550898 826347 1101796 1652694 3305388 3580837 7161674 10742511 14323348 21485022 42970044 64179617 128359234 192538851 256718468 385077702 770155404 834335021 1668670042 2503005063 3337340084 5006010126 10012020252