Search a number
-
+
2156364510 = 235394718211
BaseRepresentation
bin1000000010000111…
…1000001011011110
312120021120200000020
42000201320023132
513404012131020
6553550213010
7104302536666
oct20041701336
95507520006
102156364510
11a07236633
125021b4166
13284994141
1416655d1a6
15c949cc40
hex808782de

2156364510 has 32 divisors (see below), whose sum is σ = 5176870272. Its totient is φ = 574853280.

The previous prime is 2156364493. The next prime is 2156364533. The reversal of 2156364510 is 154636512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109305 + ... + 127515.

It is an arithmetic number, because the mean of its divisors is an integer number (161777196).

Almost surely, 22156364510 is an apocalyptic number.

2156364510 is an abundant number, since it is smaller than the sum of its proper divisors (3020505762).

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

2156364510 is a wasteful number, since it uses less digits than its factorization.

2156364510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22168.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2156364510 is about 46436.6720383793. The cubic root of 2156364510 is about 1291.9351821553.

The spelling of 2156364510 in words is "two billion, one hundred fifty-six million, three hundred sixty-four thousand, five hundred ten".

Divisors: 1 2 3 5 6 10 15 30 3947 7894 11841 18211 19735 23682 36422 39470 54633 59205 91055 109266 118410 182110 273165 546330 71878817 143757634 215636451 359394085 431272902 718788170 1078182255 2156364510