Search a number
-
+
2540252351 = 71322147297
BaseRepresentation
bin1001011101101001…
…0010110010111111
320120000221012010102
42113122102302333
520200301033401
61100022231315
7116643534350
oct22732226277
96500835112
102540252351
1110939a720a
125aa88553b
13316383b00
141a152bd27
15ed02c56b
hex97692cbf

2540252351 has 12 divisors (see below), whose sum is σ = 3143644272. Its totient is φ = 2009869056.

The previous prime is 2540252333. The next prime is 2540252399. The reversal of 2540252351 is 1532520452.

It is not a de Polignac number, because 2540252351 - 210 = 2540251327 is a prime.

It is a super-2 number, since 2×25402523512 = 12905764013522054402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540252051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1072466 + ... + 1074831.

It is an arithmetic number, because the mean of its divisors is an integer number (261970356).

Almost surely, 22540252351 is an apocalyptic number.

2540252351 is a deficient number, since it is larger than the sum of its proper divisors (603391921).

2540252351 is a wasteful number, since it uses less digits than its factorization.

2540252351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147330 (or 2147317 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2540252351 is about 50400.9161722285. The cubic root of 2540252351 is about 1364.4541733021.

The spelling of 2540252351 in words is "two billion, five hundred forty million, two hundred fifty-two thousand, three hundred fifty-one".

Divisors: 1 7 13 91 169 1183 2147297 15031079 27914861 195404027 362893193 2540252351