Search a number
-
+
20634063610 = 254743902263
BaseRepresentation
bin10011001101111000…
…101101001011111010
31222021000122001000011
4103031320231023322
5314224310013420
613251255332134
71330221434566
oct231570551372
958230561004
1020634063610
118829433436
123bba38104a
131c3ab6bcc4
14dda5b86a6
1580b76695a
hex4cde2d2fa

20634063610 has 16 divisors (see below), whose sum is σ = 37931556096. Its totient is φ = 8078016208.

The previous prime is 20634063607. The next prime is 20634063647. The reversal of 20634063610 is 1636043602.

20634063610 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21950662 + ... + 21951601.

It is an arithmetic number, because the mean of its divisors is an integer number (2370722256).

Almost surely, 220634063610 is an apocalyptic number.

20634063610 is a deficient number, since it is larger than the sum of its proper divisors (17297492486).

20634063610 is a wasteful number, since it uses less digits than its factorization.

20634063610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43902317.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 20634063610 in words is "twenty billion, six hundred thirty-four million, sixty-three thousand, six hundred ten".

Divisors: 1 2 5 10 47 94 235 470 43902263 87804526 219511315 439022630 2063406361 4126812722 10317031805 20634063610