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1072100204 = 22725469899
BaseRepresentation
bin111111111001101…
…111001101101100
32202201100022222222
4333321233031230
54143424201304
6254214454512
735365462400
oct7771571554
92681308888
101072100204
1150019982a
1225b064438
13141162926
14a2559100
15641c44be
hex3fe6f36c

1072100204 has 18 divisors (see below), whose sum is σ = 2182490100. Its totient is φ = 459471432.

The previous prime is 1072100179. The next prime is 1072100207. The reversal of 1072100204 is 4020012701.

It is a super-2 number, since 2×10721002042 = 2298797694833683232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1072100207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2734754 + ... + 2735145.

It is an arithmetic number, because the mean of its divisors is an integer number (121249450).

Almost surely, 21072100204 is an apocalyptic number.

1072100204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1072100204 is an abundant number, since it is smaller than the sum of its proper divisors (1110389896).

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

1072100204 is a wasteful number, since it uses less digits than its factorization.

1072100204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469917 (or 5469908 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1072100204 is about 32742.9412851075. The cubic root of 1072100204 is about 1023.4778768783.

Adding to 1072100204 its reverse (4020012701), we get a palindrome (5092112905).

The spelling of 1072100204 in words is "one billion, seventy-two million, one hundred thousand, two hundred four".

Divisors: 1 2 4 7 14 28 49 98 196 5469899 10939798 21879596 38289293 76578586 153157172 268025051 536050102 1072100204