Search a number
-
+
102142013394 = 23591273736091
BaseRepresentation
bin101111100100000100…
…0110110111111010010
3100202122110012220020010
41133020020312333102
53133141323412034
6114531241455350
710244113534341
oct1371010667722
9322573186203
10102142013394
113a35555a503
12179671a1556
13982a51a6a5
144d2d725b58
1529cc3003e9
hex17c8236fd2

102142013394 has 64 divisors (see below), whose sum is σ = 209978081280. Its totient is φ = 33112255680.

The previous prime is 102142013387. The next prime is 102142013401. The reversal of 102142013394 is 493310241201.

It is an interprime number because it is at equal distance from previous prime (102142013387) and next prime (102142013401).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16766289 + ... + 16772379.

It is an arithmetic number, because the mean of its divisors is an integer number (3280907520).

Almost surely, 2102142013394 is an apocalyptic number.

102142013394 is an abundant number, since it is smaller than the sum of its proper divisors (107836067886).

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

102142013394 is a wasteful number, since it uses less digits than its factorization.

102142013394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 102142013394 its reverse (493310241201), we get a palindrome (595452254595).

The spelling of 102142013394 in words is "one hundred two billion, one hundred forty-two million, thirteen thousand, three hundred ninety-four".

Divisors: 1 2 3 6 59 118 127 177 254 354 373 381 746 762 1119 2238 6091 7493 12182 14986 18273 22007 22479 36546 44014 44958 47371 66021 94742 132042 142113 284226 359369 718738 773557 1078107 1547114 2156214 2271943 2320671 2794889 4543886 4641342 5589778 6815829 8384667 13631658 16769334 45639863 91279726 134044637 136919589 268089274 273839178 288536761 402133911 577073522 804267822 865610283 1731220566 17023668899 34047337798 51071006697 102142013394