Search a number
-
+
102078161760 = 2535212662837
BaseRepresentation
bin101111100010001010…
…1010010001101100000
3100202111000001220020210
41133010111102031200
53133024002134020
6114521041134120
710242410026101
oct1370425221540
9322430056223
10102078161760
113a322508863
121794992a340
13981a222563
144d250643a8
1529c68db3e0
hex17c4552360

102078161760 has 48 divisors (see below), whose sum is σ = 321546211056. Its totient is φ = 27220843008.

The previous prime is 102078161753. The next prime is 102078161761. The reversal of 102078161760 is 67161870201.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1020781617602 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102078161761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106330939 + ... + 106331898.

It is an arithmetic number, because the mean of its divisors is an integer number (6698879397).

Almost surely, 2102078161760 is an apocalyptic number.

102078161760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102078161760 is an abundant number, since it is smaller than the sum of its proper divisors (219468049296).

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

102078161760 is a wasteful number, since it uses less digits than its factorization.

102078161760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212662855 (or 212662847 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

The spelling of 102078161760 in words is "one hundred two billion, seventy-eight million, one hundred sixty-one thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 212662837 425325674 637988511 850651348 1063314185 1275977022 1701302696 2126628370 2551954044 3189942555 3402605392 4253256740 5103908088 6379885110 6805210784 8506513480 10207816176 12759770220 17013026960 20415632352 25519540440 34026053920 51039080880 102078161760