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30202340340 = 22351999726573
BaseRepresentation
bin11100001000001100…
…110010001111110100
32212221212000212010210
4130020030302033310
5443323244342330
621512540545420
72116304441244
oct341014621764
985855025123
1030202340340
1111899485357
125a2a852270
132b0428b703
141667279b24
15bbb7968b0
hex7083323f4

30202340340 has 96 divisors (see below), whose sum is σ = 89110062720. Its totient is φ = 7622125056.

The previous prime is 30202340339. The next prime is 30202340393. The reversal of 30202340340 is 4304320203.

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, 1123294 + ... + 1149866.

It is an arithmetic number, because the mean of its divisors is an integer number (928229820).

Almost surely, 230202340340 is an apocalyptic number.

30202340340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30202340340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44555031360).

30202340340 is an abundant number, since it is smaller than the sum of its proper divisors (58907722380).

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

30202340340 is a wasteful number, since it uses less digits than its factorization.

30202340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27601 (or 27599 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 30202340340 its reverse (4304320203), we get a palindrome (34506660543).

The spelling of 30202340340 in words is "thirty billion, two hundred two million, three hundred forty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 997 1140 1994 2991 3988 4985 5982 9970 11964 14955 18943 19940 26573 29910 37886 53146 56829 59820 75772 79719 94715 106292 113658 132865 159438 189430 227316 265730 284145 318876 378860 398595 504887 531460 568290 797190 1009774 1136580 1514661 1594380 2019548 2524435 3029322 5048870 6058644 7573305 10097740 15146610 26493281 30293220 52986562 79479843 105973124 132466405 158959686 264932810 317919372 397399215 503372339 529865620 794798430 1006744678 1510117017 1589596860 2013489356 2516861695 3020234034 5033723390 6040468068 7550585085 10067446780 15101170170 30202340340