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1010100100 = 225243234907
BaseRepresentation
bin111100001101001…
…110011110000100
32121101200101211211
4330031032132010
54032041200400
6244121541204
734013465152
oct7415163604
92541611754
101010100100
114791a2179
12242344804
13131365489
149821a3d2
155da28dba
hex3c34e784

1010100100 has 36 divisors (see below), whose sum is σ = 2242901584. Its totient is φ = 394642080.

The previous prime is 1010100061. The next prime is 1010100103. The reversal of 1010100100 is 10010101.

1010100100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a self number, because there is not a number n which added to its sum of digits gives 1010100100.

It is not an unprimeable number, because it can be changed into a prime (1010100103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113154 + ... + 121753.

Almost surely, 21010100100 is an apocalyptic number.

1010100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010100100 is an abundant number, since it is smaller than the sum of its proper divisors (1232801484).

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

1010100100 is a wasteful number, since it uses less digits than its factorization.

1010100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234964 (or 234957 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 4.

The square root of 1010100100 is about 31782.0719903533. The cubic root of 1010100100 is about 1003.3554285067.

Adding to 1010100100 its reverse (10010101), we get a palindrome (1020110201).

The spelling of 1010100100 in words is "one billion, ten million, one hundred thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 172 215 430 860 1075 2150 4300 234907 469814 939628 1174535 2349070 4698140 5872675 10101001 11745350 20202002 23490700 40404004 50505005 101010010 202020020 252525025 505050050 1010100100