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2111253245 = 516714591733
BaseRepresentation
bin111110111010111…
…0010101011111101
312110010200202222122
41331311302223331
513310440100440
6545255252325
7103214233163
oct17565625375
95403622878
102111253245
119938248a2
124ab07a0a5
1327852ac9a
14160579233
15c553b7b5
hex7dd72afd

2111253245 has 16 divisors (see below), whose sum is σ = 2551893120. Its totient is φ = 1676769984.

The previous prime is 2111253217. The next prime is 2111253257. The reversal of 2111253245 is 5423521112.

It is a cyclic number.

It is not a de Polignac number, because 2111253245 - 26 = 2111253181 is a prime.

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, 1217399 + ... + 1219131.

It is an arithmetic number, because the mean of its divisors is an integer number (159493320).

Almost surely, 22111253245 is an apocalyptic number.

It is an amenable number.

2111253245 is a deficient number, since it is larger than the sum of its proper divisors (440639875).

2111253245 is a wasteful number, since it uses less digits than its factorization.

2111253245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364.

The product of its digits is 2400, while the sum is 26.

The square root of 2111253245 is about 45948.3758690120. The cubic root of 2111253245 is about 1282.8624993812.

Adding to 2111253245 its reverse (5423521112), we get a palindrome (7534774357).

The spelling of 2111253245 in words is "two billion, one hundred eleven million, two hundred fifty-three thousand, two hundred forty-five".

Divisors: 1 5 167 835 1459 1733 7295 8665 243653 289411 1218265 1447055 2528447 12642235 422250649 2111253245