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1012010500 = 225331109599
BaseRepresentation
bin111100010100100…
…000111000000100
32121112021110102101
4330110200320010
54033033314000
6244230521444
734035642634
oct7424407004
92545243371
101012010500
1147a287516
12242b06284
13131883ba7
14985966c4
155dca4e6a
hex3c520e04

1012010500 has 96 divisors (see below), whose sum is σ = 2306304000. Its totient is φ = 387504000.

The previous prime is 1012010497. The next prime is 1012010507. The reversal of 1012010500 is 50102101.

It is a happy number.

It is a super-2 number, since 2×10120105002 = 2048330504220500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1012010507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1689201 + ... + 1689799.

It is an arithmetic number, because the mean of its divisors is an integer number (24024000).

Almost surely, 21012010500 is an apocalyptic number.

1012010500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012010500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1153152000).

1012010500 is an abundant number, since it is smaller than the sum of its proper divisors (1294293500).

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

1012010500 is a wasteful number, since it uses less digits than its factorization.

1012010500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1012010500 is about 31812.1124730817. The cubic root of 1012010500 is about 1003.9875780858.

Adding to 1012010500 its reverse (50102101), we get a palindrome (1062112601).

The spelling of 1012010500 in words is "one billion, twelve million, ten thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 109 124 125 155 218 250 310 436 500 545 599 620 775 1090 1198 1550 2180 2396 2725 2995 3100 3379 3875 5450 5990 6758 7750 10900 11980 13516 13625 14975 15500 16895 18569 27250 29950 33790 37138 54500 59900 65291 67580 74276 74875 84475 92845 130582 149750 168950 185690 261164 299500 326455 337900 371380 422375 464225 652910 844750 928450 1305820 1632275 1689500 1856900 2024021 2321125 3264550 4048042 4642250 6529100 8096084 8161375 9284500 10120105 16322750 20240210 32645500 40480420 50600525 101201050 202402100 253002625 506005250 1012010500