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2577376243 = 13222368389
BaseRepresentation
bin1001100110011111…
…1010001111110011
320122121210021112101
42121213322033303
520234302014433
61103430041231
7120604223311
oct23147721763
96577707471
102577376243
111102952a12
125bb1a9217
13320c81500
141a64330b1
1510141207d
hex999fa3f3

2577376243 has 12 divisors (see below), whose sum is σ = 2803442880. Its totient is φ = 2368413216.

The previous prime is 2577376231. The next prime is 2577376283. The reversal of 2577376243 is 3426737752.

It is not a de Polignac number, because 2577376243 - 25 = 2577376211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2577376193 and 2577376202.

It is not an unprimeable number, because it can be changed into a prime (2577376283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3493 + ... + 71881.

It is an arithmetic number, because the mean of its divisors is an integer number (233620240).

Almost surely, 22577376243 is an apocalyptic number.

2577376243 is a deficient number, since it is larger than the sum of its proper divisors (226066637).

2577376243 is a wasteful number, since it uses less digits than its factorization.

2577376243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68638 (or 68625 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 46.

The square root of 2577376243 is about 50767.8662443085. The cubic root of 2577376243 is about 1371.0688806152.

The spelling of 2577376243 in words is "two billion, five hundred seventy-seven million, three hundred seventy-six thousand, two hundred forty-three".

Divisors: 1 13 169 223 2899 37687 68389 889057 11557741 15250747 198259711 2577376243