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2110013020 = 225105500651
BaseRepresentation
bin111110111000100…
…0011111001011100
312110001100202201101
41331301003321130
513310130404040
6545212522444
7103200546313
oct17561037134
95401322641
102110013020
11993058015
124aa780424
132781b561b
1416033527a
15c539409a
hex7dc43e5c

2110013020 has 12 divisors (see below), whose sum is σ = 4431027384. Its totient is φ = 844005200.

The previous prime is 2110012991. The next prime is 2110013033. The reversal of 2110013020 is 203100112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2110012988 and 2110013006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52750306 + ... + 52750345.

It is an arithmetic number, because the mean of its divisors is an integer number (369252282).

Almost surely, 22110013020 is an apocalyptic number.

2110013020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110013020 is an abundant number, since it is smaller than the sum of its proper divisors (2321014364).

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

2110013020 is a wasteful number, since it uses less digits than its factorization.

2110013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105500660 (or 105500658 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2110013020 is about 45934.8780340168. The cubic root of 2110013020 is about 1282.6112505408.

Adding to 2110013020 its reverse (203100112), we get a palindrome (2313113132).

The spelling of 2110013020 in words is "two billion, one hundred ten million, thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 105500651 211001302 422002604 527503255 1055006510 2110013020