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78153536130 = 23571247714813
BaseRepresentation
bin100100011001001010…
…0000101001010000010
321110201122122222202020
41020302110011022002
52240024301124010
655523033302310
75434501045005
oct1106224051202
9243648588666
1078153536130
11301656a748a
1213191564996
1374a6727047
143ad584953c
152076338470
hex1232505282

78153536130 has 64 divisors (see below), whose sum is σ = 190299932928. Its totient is φ = 20537726720.

The previous prime is 78153536129. The next prime is 78153536147. The reversal of 78153536130 is 3163535187.

It is a super-2 number, since 2×781535361302 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

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, 5268604 + ... + 5283416.

It is an arithmetic number, because the mean of its divisors is an integer number (2973436452).

Almost surely, 278153536130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78153536130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95149966464).

78153536130 is an abundant number, since it is smaller than the sum of its proper divisors (112146396798).

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

78153536130 is a wasteful number, since it uses less digits than its factorization.

78153536130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17371.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 78153536130 in words is "seventy-eight billion, one hundred fifty-three million, five hundred thirty-six thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 2477 4954 7431 12385 14813 14862 24770 29626 37155 44439 74065 74310 88878 148130 175867 222195 351734 444390 527601 879335 1051723 1055202 1758670 2103446 2638005 3155169 5258615 5276010 6310338 10517230 15775845 31551690 36691801 73383602 110075403 183459005 220150806 366918010 550377015 1100754030 2605117871 5210235742 7815353613 13025589355 15630707226 26051178710 39076768065 78153536130