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2115406148 = 223117059727
BaseRepresentation
bin111111000010110…
…1000100101000100
312110102111202200212
41332011220211010
513313020444043
6545524254552
7103264440602
oct17605504504
95412452625
102115406148
11996100a49
124b0541458
1327935331b
14160d3a872
15c5aac018
hex7e168944

2115406148 has 12 divisors (see below), whose sum is σ = 3821379072. Its totient is φ = 1023583560.

The previous prime is 2115406141. The next prime is 2115406207. The reversal of 2115406148 is 8416045112.

It is not an unprimeable number, because it can be changed into a prime (2115406141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8529740 + ... + 8529987.

It is an arithmetic number, because the mean of its divisors is an integer number (318448256).

Almost surely, 22115406148 is an apocalyptic number.

It is an amenable number.

2115406148 is a deficient number, since it is larger than the sum of its proper divisors (1705972924).

2115406148 is a wasteful number, since it uses less digits than its factorization.

2115406148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17059762 (or 17059760 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 2115406148 is about 45993.5446340027. The cubic root of 2115406148 is about 1283.7030923889.

The spelling of 2115406148 in words is "two billion, one hundred fifteen million, four hundred six thousand, one hundred forty-eight".

Divisors: 1 2 4 31 62 124 17059727 34119454 68238908 528851537 1057703074 2115406148