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1011225030 = 2351910191741
BaseRepresentation
bin111100010001100…
…001000111000110
32121110210112221220
4330101201013012
54032333200110
6244202021210
734026161634
oct7421410706
92543715856
101011225030
114798a0372
122427a7806
1313166a50a
1498430354
155db9c370
hex3c4611c6

1011225030 has 64 divisors (see below), whose sum is σ = 2558649600. Its totient is φ = 255070080.

The previous prime is 1011224993. The next prime is 1011225073. The reversal of 1011225030 is 305221101.

It is a super-2 number, since 2×10112250302 = 2045152122597001800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 579960 + ... + 581700.

It is an arithmetic number, because the mean of its divisors is an integer number (39978900).

Almost surely, 21011225030 is an apocalyptic number.

1011225030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011225030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1279324800).

1011225030 is an abundant number, since it is smaller than the sum of its proper divisors (1547424570).

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

1011225030 is a wasteful number, since it uses less digits than its factorization.

1011225030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1011225030 is about 31799.7646217704. The cubic root of 1011225030 is about 1003.7277631811.

Adding to 1011225030 its reverse (305221101), we get a palindrome (1316446131).

The spelling of 1011225030 in words is "one billion, eleven million, two hundred twenty-five thousand, thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 1019 1741 2038 3057 3482 5095 5223 6114 8705 10190 10446 15285 17410 19361 26115 30570 33079 38722 52230 58083 66158 96805 99237 116166 165395 193610 198474 290415 330790 496185 580830 992370 1774079 3548158 5322237 8870395 10644474 17740790 26611185 33707501 53222370 67415002 101122503 168537505 202245006 337075010 505612515 1011225030