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30030302111440 = 245479971807077
BaseRepresentation
bin1101101001111111110010…
…11111010110011011010000
310221022212110101110111211211
412310333321133112123100
512414004024320031230
6143511421430345504
76216421611160351
oct664777137263320
9127285411414754
1030030302111440
119628863720964
1234500a74bb294
13139aacb2911c7
1475b68d997d28
153712551cc42a
hex1b4ff97d66d0

30030302111440 has 80 divisors (see below), whose sum is σ = 70038357972480. Its totient is φ = 11974683461120.

The previous prime is 30030302111413. The next prime is 30030302111441. The reversal of 30030302111440 is 4411120303003.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030302111441) 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, 36805182 + ... + 37612258.

It is an arithmetic number, because the mean of its divisors is an integer number (875479474656).

Almost surely, 230030302111440 is an apocalyptic number.

It is an amenable number.

30030302111440 is an abundant number, since it is smaller than the sum of its proper divisors (40008055861040).

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

30030302111440 is a wasteful number, since it uses less digits than its factorization.

30030302111440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808540 (or 808534 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30030302111440 its reverse (4411120303003), we get a palindrome (34441422414443).

The spelling of 30030302111440 in words is "thirty trillion, thirty billion, three hundred two million, one hundred eleven thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 479 958 971 1916 1942 2395 3832 3884 4790 4855 7664 7768 9580 9710 15536 19160 19420 38320 38840 77680 465109 807077 930218 1614154 1860436 2325545 3228308 3720872 4035385 4651090 6456616 7441744 8070770 9302180 12913232 16141540 18604360 32283080 37208720 64566160 386589883 773179766 783671767 1546359532 1567343534 1932949415 3092719064 3134687068 3865898830 3918358835 6185438128 6269374136 7731797660 7836717670 12538748272 15463595320 15673435340 30927190640 31346870680 62693741360 375378776393 750757552786 1501515105572 1876893881965 3003030211144 3753787763930 6006060422288 7507575527860 15015151055720 30030302111440