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5378570781 = 33559503753
BaseRepresentation
bin1010000001001011…
…00111101000011101
3111212211201201001020
411000211213220131
542003403231111
62245413234353
7250200045243
oct50045475035
914784651036
105378570781
112310076921
1210613329b9
1367940937c
14390488793
152172d5906
hex140967a1d

5378570781 has 8 divisors (see below), whose sum is σ = 7173456960. Its totient is φ = 3584699232.

The previous prime is 5378570737. The next prime is 5378570807. The reversal of 5378570781 is 1870758735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5378570781 - 225 = 5345016349 is a prime.

It is a super-2 number, since 2×53785707812 = 57858047292453899922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5378572781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241200 + ... + 262553.

It is an arithmetic number, because the mean of its divisors is an integer number (896682120).

Almost surely, 25378570781 is an apocalyptic number.

It is an amenable number.

5378570781 is a deficient number, since it is larger than the sum of its proper divisors (1794886179).

5378570781 is a wasteful number, since it uses less digits than its factorization.

5378570781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507315.

The product of its (nonzero) digits is 1646400, while the sum is 51.

The square root of 5378570781 is about 73338.7399741774. The cubic root of 5378570781 is about 1752.0868471862.

The spelling of 5378570781 in words is "five billion, three hundred seventy-eight million, five hundred seventy thousand, seven hundred eighty-one".

Divisors: 1 3 3559 10677 503753 1511259 1792856927 5378570781