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1011001000002 = 23724071452381
BaseRepresentation
bin11101011011001000101…
…10110000000001000010
310120122120101202010110120
432231210112300001002
5113031012224000002
62052240352041110
7133020355465230
oct16554426600102
93518511663416
101011001000002
1135a843787034
12143b32233196
137444c4833b6
1436d0b4d7950
151b472451cbc
hexeb645b0042

1011001000002 has 16 divisors (see below), whose sum is σ = 2310859428672. Its totient is φ = 288857428560.

The previous prime is 1011001000001. The next prime is 1011001000063. The reversal of 1011001000002 is 2000001001101.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (1011001000001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12035726149 + ... + 12035726232.

It is an arithmetic number, because the mean of its divisors is an integer number (144428714292).

Almost surely, 21011001000002 is an apocalyptic number.

1011001000002 is an abundant number, since it is smaller than the sum of its proper divisors (1299858428670).

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

1011001000002 is a wasteful number, since it uses less digits than its factorization.

1011001000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24071452393.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 1011001000002 its reverse (2000001001101), we get a palindrome (3011002001103).

The spelling of 1011001000002 in words is "one trillion, eleven billion, one million, two", and thus it is an aban number and an uban number.

Divisors: 1 2 3 6 7 14 21 42 24071452381 48142904762 72214357143 144428714286 168500166667 337000333334 505500500001 1011001000002