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1960783664 = 24717506997
BaseRepresentation
bin111010011011111…
…0010111100110000
312001122120010112012
41310313302330300
513003430034124
6522322222052
766406246310
oct16467627460
95048503465
101960783664
119168a1874
124687b4928
132532c6428
141485ab440
15b7217e0e
hex74df2f30

1960783664 has 20 divisors (see below), whose sum is σ = 4341735504. Its totient is φ = 840335808.

The previous prime is 1960783663. The next prime is 1960783709. The reversal of 1960783664 is 4663870691.

It is not an unprimeable number, because it can be changed into a prime (1960783663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8753387 + ... + 8753610.

Almost surely, 21960783664 is an apocalyptic number.

1960783664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1960783664 is an abundant number, since it is smaller than the sum of its proper divisors (2380951840).

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

1960783664 is a wasteful number, since it uses less digits than its factorization.

1960783664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17507012 (or 17507006 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 1960783664 is about 44280.7369405704. The cubic root of 1960783664 is about 1251.6317173919.

The spelling of 1960783664 in words is "one billion, nine hundred sixty million, seven hundred eighty-three thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 17506997 35013994 70027988 122548979 140055976 245097958 280111952 490195916 980391832 1960783664