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134487081848 = 23741173338581
BaseRepresentation
bin111110101000000001…
…1100000001101111000
3110212010122011121202102
41331100003200031320
54200412143104343
6141441004522532
712500500222430
oct1752003401570
9425118147672
10134487081848
11520434a7139
1222093550448
13c8b36a7452
14671b3b12c0
153771c4e3b8
hex1f500e0378

134487081848 has 64 divisors (see below), whose sum is σ = 296922870720. Its totient is φ = 55906329600.

The previous prime is 134487081829. The next prime is 134487081863. The reversal of 134487081848 is 848180784431.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 134487081793 and 134487081802.

It is a congruent number.

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, 227918 + ... + 566498.

It is an arithmetic number, because the mean of its divisors is an integer number (4639419855).

Almost surely, 2134487081848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134487081848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148461435360).

134487081848 is an abundant number, since it is smaller than the sum of its proper divisors (162435788872).

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

134487081848 is a wasteful number, since it uses less digits than its factorization.

134487081848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338808 (or 338804 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 56.

The spelling of 134487081848 in words is "one hundred thirty-four billion, four hundred eighty-seven million, eighty-one thousand, eight hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 41 56 82 164 173 287 328 346 574 692 1148 1211 1384 2296 2422 4844 7093 9688 14186 28372 49651 56744 99302 198604 338581 397208 677162 1354324 2370067 2708648 4740134 9480268 13881821 18960536 27763642 55527284 58574513 97172747 111054568 117149026 194345494 234298052 388690988 410021591 468596104 777381976 820043182 1640086364 2401555033 3280172728 4803110066 9606220132 16810885231 19212440264 33621770462 67243540924 134487081848