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30013223211020 = 22574316672990753
BaseRepresentation
bin1101101001011111111111…
…00000100001000000001100
310221021020101010111110220102
412310233333200201000030
512413214040120223040
6143455515010310232
76215245436002640
oct664577740410014
9127236333443812
1030013223211020
11962159a072225
12344891b888378
131399308b3407a
1475a90d61ac20
15370aa5b1c515
hex1b4bff82100c

30013223211020 has 96 divisors (see below), whose sum is σ = 73751132302848. Its totient is φ = 10044907149312.

The previous prime is 30013223211017. The next prime is 30013223211029. The reversal of 30013223211020 is 2011232231003.

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

It is a junction number, because it is equal to n+sod(n) for n = 30013223210983 and 30013223211001.

It is not an unprimeable number, because it can be changed into a prime (30013223211029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8539964 + ... + 11530716.

It is an arithmetic number, because the mean of its divisors is an integer number (768240961488).

Almost surely, 230013223211020 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 30013223211020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36875566151424).

30013223211020 is an abundant number, since it is smaller than the sum of its proper divisors (43737909091828).

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

30013223211020 is a wasteful number, since it uses less digits than its factorization.

30013223211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992479 (or 2992477 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30013223211020 its reverse (2011232231003), we get a palindrome (32024455442023).

The spelling of 30013223211020 in words is "thirty trillion, thirteen billion, two hundred twenty-three million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 43 70 86 140 172 215 301 430 602 860 1204 1505 1667 3010 3334 6020 6668 8335 11669 16670 23338 33340 46676 58345 71681 116690 143362 233380 286724 358405 501767 716810 1003534 1433620 2007068 2508835 2990753 5017670 5981506 10035340 11963012 14953765 20935271 29907530 41870542 59815060 83741084 104676355 128602379 209352710 257204758 418705420 514409516 643011895 900216653 1286023790 1800433306 2572047580 3600866612 4501083265 4985585251 9002166530 9971170502 18004333060 19942341004 24927926255 34899096757 49855852510 69798193514 99711705020 139596387028 174495483785 214380165793 348990967570 428760331586 697981935140 857520663172 1071900828965 1500661160551 2143801657930 3001322321102 4287603315860 6002644642204 7503305802755 15006611605510 30013223211020