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30011441240 = 235113619241
BaseRepresentation
bin11011111100110100…
…100100000001011000
32212110112211011210202
4123330310210001120
5442430412104430
621442001201332
72111466020144
oct337464440130
985415734722
1030011441240
1111800749000
125996930248
132aa386c971
141649b86224
15ba9b38d45
hex6fcd24058

30011441240 has 128 divisors (see below), whose sum is σ = 75499007040. Its totient is φ = 10733184000.

The previous prime is 30011441237. The next prime is 30011441267. The reversal of 30011441240 is 4214411003.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 3243020 + ... + 3252260.

Almost surely, 230011441240 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 30011441240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37749503520).

30011441240 is an abundant number, since it is smaller than the sum of its proper divisors (45487565800).

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

30011441240 is a wasteful number, since it uses less digits than its factorization.

30011441240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9346 (or 9320 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 30011441240 its reverse (4214411003), we get a palindrome (34225852243).

The spelling of 30011441240 in words is "thirty billion, eleven million, four hundred forty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 61 88 110 121 122 220 242 244 305 440 484 488 605 610 671 968 1210 1220 1331 1342 2420 2440 2662 2684 3355 4840 5324 5368 6655 6710 7381 9241 10648 13310 13420 14762 18482 26620 26840 29524 36905 36964 46205 53240 59048 73810 73928 81191 92410 101651 147620 162382 184820 203302 295240 324764 369640 405955 406604 508255 563701 649528 811910 813208 1016510 1118161 1127402 1623820 2033020 2236322 2254804 2818505 3247640 4066040 4472644 4509608 5590805 5637010 6200711 8945288 11181610 11274020 12299771 12401422 22363220 22548040 24599542 24802844 31003555 44726440 49199084 49605688 61498855 62007110 68207821 98398168 122997710 124014220 136415642 245995420 248028440 272831284 341039105 491990840 545662568 682078210 750286031 1364156420 1500572062 2728312840 3001144124 3751430155 6002288248 7502860310 15005720620 30011441240