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1006442446000 = 2453563893821
BaseRepresentation
bin11101010010101001010…
…01001111110010110000
310120012210201000120222011
432221110221033302300
5112442143231233000
62050204150252304
7132466403432305
oct16512451176260
93505721016864
101006442446000
11358914582a32
1214307b657094
1373ba3c17b74
14369d7d090ac
151b2a71492ba
hexea54a4fcb0

1006442446000 has 80 divisors (see below), whose sum is σ = 2437903080288. Its totient is φ = 401861472000.

The previous prime is 1006442445973. The next prime is 1006442446003. The reversal of 1006442446000 is 6442446001.

1006442446000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×10064424460002 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1006442446003) 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, 679090 + ... + 1572910.

Almost surely, 21006442446000 is an apocalyptic number.

1006442446000 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 1006442446000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218951540144).

1006442446000 is an abundant number, since it is smaller than the sum of its proper divisors (1431460634288).

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

1006442446000 is an equidigital number, since it uses as much as digits as its factorization.

1006442446000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894407 (or 894391 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Subtracting from 1006442446000 its reverse (6442446001), we obtain a palindrome (999999999999).

The spelling of 1006442446000 in words is "one trillion, six billion, four hundred forty-two million, four hundred forty-six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 563 1000 1126 2000 2252 2815 4504 5630 9008 11260 14075 22520 28150 45040 56300 70375 112600 140750 225200 281500 563000 893821 1126000 1787642 3575284 4469105 7150568 8938210 14301136 17876420 22345525 35752840 44691050 71505680 89382100 111727625 178764200 223455250 357528400 446910500 503221223 893821000 1006442446 1787642000 2012884892 2516106115 4025769784 5032212230 8051539568 10064424460 12580530575 20128848920 25161061150 40257697840 50322122300 62902652875 100644244600 125805305750 201288489200 251610611500 503221223000 1006442446000