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2045153215 = 57232540563
BaseRepresentation
bin111100111100110…
…1000111110111111
312021112022112210101
41321321220332333
513142024400330
6534534421531
7101452341550
oct17171507677
95245275711
102045153215
1195a487976
12490b018a7
13267926641
14155890327
15be8314ca
hex79e68fbf

2045153215 has 16 divisors (see below), whose sum is σ = 2926729728. Its totient is φ = 1341416736.

The previous prime is 2045153203. The next prime is 2045153251. The reversal of 2045153215 is 5123515402.

It is a cyclic number.

It is not a de Polignac number, because 2045153215 - 25 = 2045153183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269477 + ... + 1271086.

It is an arithmetic number, because the mean of its divisors is an integer number (182920608).

Almost surely, 22045153215 is an apocalyptic number.

2045153215 is a deficient number, since it is larger than the sum of its proper divisors (881576513).

2045153215 is a wasteful number, since it uses less digits than its factorization.

2045153215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540598.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2045153215 is about 45223.3702304461. The cubic root of 2045153215 is about 1269.3321586360.

Adding to 2045153215 its reverse (5123515402), we get a palindrome (7168668617).

The spelling of 2045153215 in words is "two billion, forty-five million, one hundred fifty-three thousand, two hundred fifteen".

Divisors: 1 5 7 23 35 115 161 805 2540563 12702815 17783941 58432949 88919705 292164745 409030643 2045153215