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30613122354 = 23194357110937
BaseRepresentation
bin11100100000101011…
…110010110100110010
32221000110222202010110
4130200223302310302
51000143424403404
622021413242150
72132423150403
oct344053626462
987013882113
1030613122354
1111a8a344a21
125b24333356
132b6b4067a9
1416a5a499aa
15be2889b89
hex720af2d32

30613122354 has 64 divisors (see below), whose sum is σ = 66069020160. Its totient is φ = 9425082240.

The previous prime is 30613122343. The next prime is 30613122389. The reversal of 30613122354 is 45322131603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2793574 + ... + 2804510.

It is an arithmetic number, because the mean of its divisors is an integer number (1032328440).

Almost surely, 230613122354 is an apocalyptic number.

30613122354 is an abundant number, since it is smaller than the sum of its proper divisors (35455897806).

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

30613122354 is a wasteful number, since it uses less digits than its factorization.

30613122354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11575.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 30613122354 its reverse (45322131603), we get a palindrome (75935253957).

The spelling of 30613122354 in words is "thirty billion, six hundred thirteen million, one hundred twenty-two thousand, three hundred fifty-four".

Divisors: 1 2 3 6 19 38 43 57 86 114 129 258 571 817 1142 1634 1713 2451 3426 4902 10849 10937 21698 21874 24553 32547 32811 49106 65094 65622 73659 147318 207803 415606 466507 470291 623409 933014 940582 1246818 1399521 1410873 2799042 2821746 6245027 8935529 12490054 17871058 18735081 26806587 37470162 53613174 118655513 237311026 268536161 355966539 537072322 711933078 805608483 1611216966 5102187059 10204374118 15306561177 30613122354