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3134387520 = 263251198939
BaseRepresentation
bin1011101011010010…
…1111010101000000
322002102220101100200
42322310233111000
522404400400040
61235004445200
7140446566015
oct27264572500
98072811320
103134387520
111369309810
12735849800
133ac4a8094
1421a3c970c
1513528c630
hexbad2f540

3134387520 has 168 divisors, whose sum is σ = 11761195680. Its totient is φ = 759843840.

The previous prime is 3134387507. The next prime is 3134387527. The reversal of 3134387520 is 257834313.

3134387520 is a `hidden beast` number, since 3 + 13 + 43 + 87 + 520 = 666.

3134387520 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3134387527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17790 + ... + 81149.

Almost surely, 23134387520 is an apocalyptic number.

3134387520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3134387520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5880597840).

3134387520 is an abundant number, since it is smaller than the sum of its proper divisors (8626808160).

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

3134387520 is a wasteful number, since it uses less digits than its factorization.

3134387520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98973 (or 98960 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 3134387520 is about 55985.6010059730. The cubic root of 3134387520 is about 1463.4713669648.

The spelling of 3134387520 in words is "three billion, one hundred thirty-four million, three hundred eighty-seven thousand, five hundred twenty".