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1968524705 = 57227247769
BaseRepresentation
bin111010101010101…
…0100110110100001
312002012010102020102
41311111110312201
513012420242310
6523200152145
766532120040
oct16525246641
95065112212
101968524705
119201a9824
1246b308655
13254aa6a24
14149624557
15b7c468a5
hex75554da1

1968524705 has 16 divisors (see below), whose sum is σ = 2711594880. Its totient is φ = 1343893632.

The previous prime is 1968524681. The next prime is 1968524731. The reversal of 1968524705 is 5074258691.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1968524705 - 224 = 1951747489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1968524705.

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, 115940 + ... + 131829.

It is an arithmetic number, because the mean of its divisors is an integer number (169474680).

Almost surely, 21968524705 is an apocalyptic number.

It is an amenable number.

1968524705 is a deficient number, since it is larger than the sum of its proper divisors (743070175).

1968524705 is a wasteful number, since it uses less digits than its factorization.

1968524705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248008.

The product of its (nonzero) digits is 604800, while the sum is 47.

The square root of 1968524705 is about 44368.0595135735. The cubic root of 1968524705 is about 1253.2766736228.

The spelling of 1968524705 in words is "one billion, nine hundred sixty-eight million, five hundred twenty-four thousand, seven hundred five".

Divisors: 1 5 7 35 227 1135 1589 7945 247769 1238845 1734383 8671915 56243563 281217815 393704941 1968524705