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5142502120 = 235726369833
BaseRepresentation
bin1001100101000010…
…00101101011101000
3111021101112011201111
410302201011223220
541012440031440
62210141400104
7241302355360
oct46241055350
914241464644
105142502120
1121a9898a58
12bb6269034
1363c533a82
1436ad979a0
152017044ea
hex132845ae8

5142502120 has 64 divisors (see below), whose sum is σ = 13274046720. Its totient is φ = 1756414464.

The previous prime is 5142502117. The next prime is 5142502153. The reversal of 5142502120 is 212052415.

It is a junction number, because it is equal to n+sod(n) for n = 5142502091 and 5142502100.

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, 38724 + ... + 108556.

It is an arithmetic number, because the mean of its divisors is an integer number (207406980).

Almost surely, 25142502120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5142502120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6637023360).

5142502120 is an abundant number, since it is smaller than the sum of its proper divisors (8131544600).

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

5142502120 is a wasteful number, since it uses less digits than its factorization.

5142502120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70114 (or 70110 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 5142502120 is about 71711.2412387347. The cubic root of 5142502120 is about 1726.0690280395.

Adding to 5142502120 its reverse (212052415), we get a palindrome (5354554535).

The spelling of 5142502120 in words is "five billion, one hundred forty-two million, five hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 263 280 526 1052 1315 1841 2104 2630 3682 5260 7364 9205 10520 14728 18410 36820 69833 73640 139666 279332 349165 488831 558664 698330 977662 1396660 1955324 2444155 2793320 3910648 4888310 9776620 18366079 19553240 36732158 73464316 91830395 128562553 146928632 183660790 257125106 367321580 514250212 642812765 734643160 1028500424 1285625530 2571251060 5142502120