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30213055553140 = 2252796154027137
BaseRepresentation
bin1101101111010100001100…
…11100011001111001110100
310221222100011210022021000201
412313222012130121321310
512430002314210200030
6144131404111050244
76235551452614315
oct667520634317164
9127870153267021
1030213055553140
119699315230599
12347b5ab210984
1313b21044b0ca5
1476646933860c
15375d9e4c52ca
hex1b7a86719e74

30213055553140 has 24 divisors (see below), whose sum is σ = 63449686975752. Its totient is φ = 12084789780480.

The previous prime is 30213055553137. The next prime is 30213055553227. The reversal of 30213055553140 is 4135555031203.

It can be written as a sum of positive squares in 4 ways, for example, as 748937929744 + 29464117623396 = 865412^2 + 5428086^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30213055553140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26454349 + ... + 27572788.

It is an arithmetic number, because the mean of its divisors is an integer number (2643736957323).

Almost surely, 230213055553140 is an apocalyptic number.

It is an amenable number.

30213055553140 is an abundant number, since it is smaller than the sum of its proper divisors (33236631422612).

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

30213055553140 is a wasteful number, since it uses less digits than its factorization.

30213055553140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54055107 (or 54055105 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 30213055553140 in words is "thirty trillion, two hundred thirteen billion, fifty-five million, five hundred fifty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 27961 55922 111844 139805 279610 559220 54027137 108054274 216108548 270135685 540271370 1080542740 1510652777657 3021305555314 6042611110628 7553263888285 15106527776570 30213055553140