Search a number
-
+
257057072761310 = 25113229993380503
BaseRepresentation
bin111010011100101011000011…
…100000100100100111011110
31020201011102020101012222020222
4322130223003200210213132
5232143110341111330220
62310414220003441342
7105100521616545233
oct7234530340444736
91221142211188228
10257057072761310
11749a7324123008
12249b7471686252
13b0584bb47a753
1447698b325178a
151eab99eb80e25
hexe9cac38249de

257057072761310 has 32 divisors (see below), whose sum is σ = 468835862667840. Its totient is φ = 101467857996288.

The previous prime is 257057072761289. The next prime is 257057072761367. The reversal of 257057072761310 is 13167270750752.

It is a happy number.

257057072761310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2570570727613102 (a number of 30 digits) contains 22 as substring.

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, 496431482 + ... + 496949021.

It is an arithmetic number, because the mean of its divisors is an integer number (14651120708370).

Almost surely, 2257057072761310 is an apocalyptic number.

257057072761310 is a deficient number, since it is larger than the sum of its proper divisors (211778789906530).

257057072761310 is a wasteful number, since it uses less digits than its factorization.

257057072761310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993380852.

The product of its (nonzero) digits is 4321800, while the sum is 53.

The spelling of 257057072761310 in words is "two hundred fifty-seven trillion, fifty-seven billion, seventy-two million, seven hundred sixty-one thousand, three hundred ten".

Divisors: 1 2 5 10 113 226 229 458 565 1130 1145 2290 25877 51754 129385 258770 993380503 1986761006 4966902515 9933805030 112251996839 224503993678 227484135187 454968270374 561259984195 1122519968390 1137420675935 2274841351870 25705707276131 51411414552262 128528536380655 257057072761310