Search a number
-
+
74134134470 = 25114781117681
BaseRepresentation
bin100010100001010111…
…1010001111011000110
321002100112110020020002
41011002233101323012
52203311314300340
654020131441302
75233053513554
oct1050257217306
9232315406202
1074134134470
1129492871530
121244b456232
136cb5aa1676
143833ac4bd4
151ddd52e715
hex1142bd1ec6

74134134470 has 64 divisors (see below), whose sum is σ = 148861504512. Its totient is φ = 26350272000.

The previous prime is 74134134449. The next prime is 74134134479. The reversal of 74134134470 is 7443143147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74134134479) 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, 4184030 + ... + 4201710.

It is an arithmetic number, because the mean of its divisors is an integer number (2325961008).

Almost surely, 274134134470 is an apocalyptic number.

74134134470 is an abundant number, since it is smaller than the sum of its proper divisors (74727370042).

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

74134134470 is a wasteful number, since it uses less digits than its factorization.

74134134470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18557.

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 74134134470 in words is "seventy-four billion, one hundred thirty-four million, one hundred thirty-four thousand, four hundred seventy".

Divisors: 1 2 5 10 11 22 47 55 94 110 235 470 517 811 1034 1622 2585 4055 5170 8110 8921 17681 17842 35362 38117 44605 76234 88405 89210 176810 190585 194491 381170 388982 419287 831007 838574 972455 1662014 1944910 2096435 4155035 4192870 8310070 9141077 14339291 18282154 28678582 45705385 71696455 91410770 143392910 157732201 315464402 673946677 788661005 1347893354 1577322010 3369733385 6739466770 7413413447 14826826894 37067067235 74134134470