Search a number
-
+
102030236040 = 23355179164173
BaseRepresentation
bin101111100000101111…
…0011101100110001000
3100202100122220000112010
41133001132131212020
53132424220023130
6114512210015520
710241255461005
oct1370136354610
9322318800463
10102030236040
113a2a8454527
12179358775a0
139810312345
144d1c94a8ac
1529c25c10b0
hex17c179d988

102030236040 has 64 divisors (see below), whose sum is σ = 306151675200. Its totient is φ = 27202643712.

The previous prime is 102030236027. The next prime is 102030236051. The reversal of 102030236040 is 40632030201.

It is a happy number.

It is a super-2 number, since 2×1020302360402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102030235998 and 102030236016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539394 + ... + 703566.

It is an arithmetic number, because the mean of its divisors is an integer number (4783619925).

Almost surely, 2102030236040 is an apocalyptic number.

102030236040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102030236040 is an abundant number, since it is smaller than the sum of its proper divisors (204121439160).

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

102030236040 is a wasteful number, since it uses less digits than its factorization.

102030236040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169366 (or 169362 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 102030236040 its reverse (40632030201), we get a palindrome (142662266241).

The spelling of 102030236040 in words is "one hundred two billion, thirty million, two hundred thirty-six thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 5179 10358 15537 20716 25895 31074 41432 51790 62148 77685 103580 124296 155370 164173 207160 310740 328346 492519 621480 656692 820865 985038 1313384 1641730 1970076 2462595 3283460 3940152 4925190 6566920 9850380 19700760 850251967 1700503934 2550755901 3401007868 4251259835 5101511802 6802015736 8502519670 10203023604 12753779505 17005039340 20406047208 25507559010 34010078680 51015118020 102030236040