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30122133020 = 2257764328151
BaseRepresentation
bin11100000011011010…
…110100011000011100
32212202021002220101022
4130003122310120130
5443142231224040
621500553503312
72114311622540
oct340332643034
985667086338
1030122133020
1111858182411
125a07a11b38
132ac0787b65
14165a75ba20
15bb47016b5
hex7036b461c

30122133020 has 48 divisors (see below), whose sum is σ = 72305146368. Its totient is φ = 10325870400.

The previous prime is 30122133001. The next prime is 30122133059. The reversal of 30122133020 is 2033122103.

It is a self number, because there is not a number n which added to its sum of digits gives 30122133020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1055945 + ... + 1084095.

It is an arithmetic number, because the mean of its divisors is an integer number (1506357216).

Almost surely, 230122133020 is an apocalyptic number.

It is an amenable number.

30122133020 is an abundant number, since it is smaller than the sum of its proper divisors (42183013348).

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

30122133020 is a wasteful number, since it uses less digits than its factorization.

30122133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35810 (or 35808 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30122133020 its reverse (2033122103), we get a palindrome (32155255123).

The spelling of 30122133020 in words is "thirty billion, one hundred twenty-two million, one hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 7643 15286 28151 30572 38215 53501 56302 76430 107002 112604 140755 152860 197057 214004 267505 281510 394114 535010 563020 788228 985285 1070020 1970570 3941140 215158093 430316186 860632372 1075790465 1506106651 2151580930 3012213302 4303161860 6024426604 7530533255 15061066510 30122133020