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1010001010100 = 225219531579479
BaseRepresentation
bin11101011001010001100…
…00000101110110110100
310120112222201002101012112
432230220300011312310
5113021440224310400
62051553230510152
7132653523635615
oct16545060056664
93515881071175
101010001010100
1135a38026a8a5
121438b3365358
137432024a9b4
1436c5478dc0c
151b414773835
hexeb28c05db4

1010001010100 has 36 divisors (see below), whose sum is σ = 2307054943200. Its totient is φ = 382737224160.

The previous prime is 1010001010087. The next prime is 1010001010103. The reversal of 1010001010100 is 10101000101.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010001010103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265787840 + ... + 265791639.

Almost surely, 21010001010100 is an apocalyptic number.

1010001010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010001010100 is an abundant number, since it is smaller than the sum of its proper divisors (1297053933100).

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

1010001010100 is a wasteful number, since it uses less digits than its factorization.

1010001010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531579512 (or 531579505 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 1010001010100 its reverse (10101000101), we get a palindrome (1020102010201).

Subtracting from 1010001010100 its reverse (10101000101), we obtain a palindrome (999900009999).

The spelling of 1010001010100 in words is "one trillion, ten billion, one million, ten thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 531579479 1063158958 2126317916 2657897395 5315794790 10100010101 10631589580 13289486975 20200020202 26578973950 40400040404 50500050505 53157947900 101000101010 202000202020 252500252525 505000505050 1010001010100