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125130033420 = 22357881338171
BaseRepresentation
bin111010010001001010…
…1001100100100001100
3102221222112020022101020
41310202111030210030
54022231242032140
6133252310514140
712016560510030
oct1644225144414
9387875208336
10125130033420
1149081707167
1220301965950
13ba51c739c2
1460b07b61c0
1533c55456d0
hex1d2254c90c

125130033420 has 96 divisors (see below), whose sum is σ = 400871794176. Its totient is φ = 28568601600.

The previous prime is 125130033419. The next prime is 125130033433. The reversal of 125130033420 is 24330031521.

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, 200935 + ... + 539105.

It is an arithmetic number, because the mean of its divisors is an integer number (4175747856).

Almost surely, 2125130033420 is an apocalyptic number.

125130033420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125130033420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200435897088).

125130033420 is an abundant number, since it is smaller than the sum of its proper divisors (275741760756).

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

125130033420 is a wasteful number, since it uses less digits than its factorization.

125130033420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339071 (or 339069 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 125130033420 its reverse (24330031521), we get a palindrome (149460064941).

The spelling of 125130033420 in words is "one hundred twenty-five billion, one hundred thirty million, thirty-three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 881 1762 2643 3524 4405 5286 6167 8810 10572 12334 13215 17620 18501 24668 26430 30835 37002 52860 61670 74004 92505 123340 185010 338171 370020 676342 1014513 1352684 1690855 2029026 2367197 3381710 4058052 4734394 5072565 6763420 7101591 9468788 10145130 11835985 14203182 20290260 23671970 28406364 35507955 47343940 71015910 142031820 297928651 595857302 893785953 1191714604 1489643255 1787571906 2085500557 2979286510 3575143812 4171001114 4468929765 5958573020 6256501671 8342002228 8937859530 10427502785 12513003342 17875719060 20855005570 25026006684 31282508355 41710011140 62565016710 125130033420