Search a number
-
+
30263156660 = 225112331192931
BaseRepresentation
bin11100001011110100…
…110001111110110100
32220010002110122110002
4130023310301332310
5443434332003120
621522552250432
72120643405302
oct341364617664
986102418402
1030263156660
111191a843580
125a470a0a18
132b13a630b9
14167138b272
15bc1cab375
hex70bd31fb4

30263156660 has 96 divisors (see below), whose sum is σ = 74678575104. Its totient is φ = 10186704000.

The previous prime is 30263156639. The next prime is 30263156701. The reversal of 30263156660 is 6665136203.

It is a happy number.

It is a congruent 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, 60395 + ... + 253325.

It is an arithmetic number, because the mean of its divisors is an integer number (777901824).

Almost surely, 230263156660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30263156660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37339287552).

30263156660 is an abundant number, since it is smaller than the sum of its proper divisors (44415418444).

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

30263156660 is a wasteful number, since it uses less digits than its factorization.

30263156660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193005 (or 193003 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 30263156660 in words is "thirty billion, two hundred sixty-three million, one hundred fifty-six thousand, six hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 23 31 44 46 55 62 92 110 115 124 155 220 230 253 310 341 460 506 620 682 713 1012 1265 1364 1426 1705 2530 2852 3410 3565 5060 6820 7130 7843 14260 15686 31372 39215 78430 156860 192931 385862 771724 964655 1929310 2122241 3858620 4244482 4437413 5980861 8488964 8874826 10611205 11961722 17749652 21222410 22187065 23923444 29904305 42444820 44374130 48811543 59808610 65789471 88748260 97623086 119617220 131578942 137559803 195246172 244057715 263157884 275119606 328947355 488115430 550239212 657894710 687799015 976230860 1315789420 1375598030 1513157833 2751196060 3026315666 6052631332 7565789165 15131578330 30263156660