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134011680 = 253511171493
BaseRepresentation
bin1111111110011…
…01101100100000
3100100011111110120
413333031230200
5233301333210
621144200240
73215036415
oct777155440
9310144416
10134011680
1169711a60
1238a69080
13219c176a
1413b2610c
15bb72270
hex7fcdb20

134011680 has 192 divisors, whose sum is σ = 487928448. Its totient is φ = 30556160.

The previous prime is 134011679. The next prime is 134011681. The reversal of 134011680 is 86110431.

It is an interprime number because it is at equal distance from previous prime (134011679) and next prime (134011681).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 134011680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134011681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89014 + ... + 90506.

It is an arithmetic number, because the mean of its divisors is an integer number (2541294).

Almost surely, 2134011680 is an apocalyptic number.

134011680 is a gapful number since it is divisible by the number (10) 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 134011680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243964224).

134011680 is an abundant number, since it is smaller than the sum of its proper divisors (353916768).

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

134011680 is a wasteful number, since it uses less digits than its factorization.

134011680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 134011680 is about 11576.3413909577. The cubic root of 134011680 is about 511.7378622308.

The spelling of 134011680 in words is "one hundred thirty-four million, eleven thousand, six hundred eighty".