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10234040220 = 2232556855779
BaseRepresentation
bin10011000011111111…
…10000111110011100
3222102020011002221200
421201333300332130
5131424403241340
64411302555500
7511415622645
oct114177607634
928366132850
1010234040220
114381937988
121b97438b90
13c71332701
146d12866cc
153ed6dd330
hex261ff0f9c

10234040220 has 36 divisors (see below), whose sum is σ = 31043255880. Its totient is φ = 2729077344.

The previous prime is 10234040209. The next prime is 10234040269. The reversal of 10234040220 is 2204043201.

10234040220 is a `hidden beast` number, since 10 + 234 + 0 + 402 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10234040193 and 10234040202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28427710 + ... + 28428069.

Almost surely, 210234040220 is an apocalyptic number.

10234040220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10234040220 is an abundant number, since it is smaller than the sum of its proper divisors (20809215660).

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

10234040220 is a wasteful number, since it uses less digits than its factorization.

10234040220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56855794 (or 56855789 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 10234040220 its reverse (2204043201), we get a palindrome (12438083421).

The spelling of 10234040220 in words is "ten billion, two hundred thirty-four million, forty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 56855779 113711558 170567337 227423116 284278895 341134674 511702011 568557790 682269348 852836685 1023404022 1137115580 1705673370 2046808044 2558510055 3411346740 5117020110 10234040220