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2030245021 = 72910001207
BaseRepresentation
bin111100100000011…
…0001010010011101
312020111021010121001
41321000301102131
513124220320041
6533243110301
7101211540460
oct17100612235
95214233531
102030245021
11952025152
12487b12391
13264806a1c
141538cd2d7
15bd389131
hex7903149d

2030245021 has 8 divisors (see below), whose sum is σ = 2400289920. Its totient is φ = 1680202608.

The previous prime is 2030245003. The next prime is 2030245027. The reversal of 2030245021 is 1205420302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2030245021 - 215 = 2030212253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2030245021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030245027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5000401 + ... + 5000806.

It is an arithmetic number, because the mean of its divisors is an integer number (300036240).

Almost surely, 22030245021 is an apocalyptic number.

It is an amenable number.

2030245021 is a deficient number, since it is larger than the sum of its proper divisors (370044899).

2030245021 is a wasteful number, since it uses less digits than its factorization.

2030245021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001243.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2030245021 is about 45058.2403229420. The cubic root of 2030245021 is about 1266.2403579768.

Adding to 2030245021 its reverse (1205420302), we get a palindrome (3235665323).

The spelling of 2030245021 in words is "two billion, thirty million, two hundred forty-five thousand, twenty-one".

Divisors: 1 7 29 203 10001207 70008449 290035003 2030245021