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2570000142 = 231972174281
BaseRepresentation
bin1001100100101111…
…0001011100001110
320122002220112102110
42121023301130032
520230410001032
61103004004450
7120454432533
oct23113613416
96562815373
102570000142
1110a9775166
125b8830726
1331c59b058
141a5472d8a
151009567cc
hex992f170e

2570000142 has 16 divisors (see below), whose sum is σ = 5166094032. Its totient is φ = 852317760.

The previous prime is 2570000129. The next prime is 2570000149. The reversal of 2570000142 is 2410000752.

2570000142 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2570000149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085959 + ... + 1088322.

It is an arithmetic number, because the mean of its divisors is an integer number (322880877).

Almost surely, 22570000142 is an apocalyptic number.

2570000142 is an abundant number, since it is smaller than the sum of its proper divisors (2596093890).

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

2570000142 is a wasteful number, since it uses less digits than its factorization.

2570000142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174483.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2570000142 is about 50695.1688230743. The cubic root of 2570000142 is about 1369.7596932304.

Adding to 2570000142 its reverse (2410000752), we get a palindrome (4980000894).

The spelling of 2570000142 in words is "two billion, five hundred seventy million, one hundred forty-two", and thus it is an aban number.

Divisors: 1 2 3 6 197 394 591 1182 2174281 4348562 6522843 13045686 428333357 856666714 1285000071 2570000142