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30230440041040 = 2452938147158303
BaseRepresentation
bin1101101111110100100101…
…01000111101101001010000
310222001000001100021202011221
412313322102220331221100
512430243420122303130
6144143401125014424
76240035325412441
oct667722250755120
9128030040252157
1030230440041040
1196a572632a668
123482a41254414
1313b3945044215
147672381012c8
1537656a7e987a
hex1b7e92a3da50

30230440041040 has 80 divisors (see below), whose sum is σ = 70534758486528. Its totient is φ = 12049350491648.

The previous prime is 30230440041023. The next prime is 30230440041041. The reversal of 30230440041040 is 4014004403203.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 30230440040996 and 30230440041014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230440041041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190886529 + ... + 191044831.

Almost surely, 230230440041040 is an apocalyptic number.

It is an amenable number.

30230440041040 is an abundant number, since it is smaller than the sum of its proper divisors (40304318445488).

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

30230440041040 is a wasteful number, since it uses less digits than its factorization.

30230440041040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166756 (or 166750 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 30230440041040 its reverse (4014004403203), we get a palindrome (34244444444243).

The spelling of 30230440041040 in words is "thirty trillion, two hundred thirty billion, four hundred forty million, forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 293 586 1172 1465 2344 2930 4688 5860 8147 11720 16294 23440 32588 40735 65176 81470 130352 158303 162940 316606 325880 633212 651760 791515 1266424 1583030 2387071 2532848 3166060 4774142 6332120 9548284 11935355 12664240 19096568 23870710 38193136 46382779 47741420 92765558 95482840 185531116 190965680 231913895 371062232 463827790 742124464 927655580 1289694541 1855311160 2579389082 3710622320 5158778164 6448472705 10317556328 12896945410 20635112656 25793890820 51587781640 103175563280 377880500513 755761001026 1511522002052 1889402502565 3023044004104 3778805005130 6046088008208 7557610010260 15115220020520 30230440041040