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2542421130 = 235531798933
BaseRepresentation
bin1001011110001010…
…0100010010001010
320120012000101010120
42113202210102022
520201324434010
61100140524110
7120001136334
oct22742442212
96505011116
102542421130
111095148697
125ab550636
13316963002
141a1934454
15ed309e70
hex978a448a

2542421130 has 64 divisors (see below), whose sum is σ = 6252370560. Its totient is φ = 661396736.

The previous prime is 2542421129. The next prime is 2542421177. The reversal of 2542421130 is 311242452.

It is a super-3 number, since 3×25424211303 (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2542421130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280144 + ... + 289076.

It is an arithmetic number, because the mean of its divisors is an integer number (97693290).

Almost surely, 22542421130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2542421130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3126185280).

2542421130 is an abundant number, since it is smaller than the sum of its proper divisors (3709949430).

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

2542421130 is a wasteful number, since it uses less digits than its factorization.

2542421130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9175.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2542421130 is about 50422.4268555174. The cubic root of 2542421130 is about 1364.8423706665.

Adding to 2542421130 its reverse (311242452), we get a palindrome (2853663582).

The spelling of 2542421130 in words is "two billion, five hundred forty-two million, four hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 179 265 318 358 530 537 795 895 1074 1590 1790 2685 5370 8933 9487 17866 18974 26799 28461 44665 47435 53598 56922 89330 94870 133995 142305 267990 284610 473449 946898 1420347 1599007 2367245 2840694 3198014 4734490 4797021 7101735 7995035 9594042 14203470 15990070 23985105 47970210 84747371 169494742 254242113 423736855 508484226 847473710 1271210565 2542421130