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201025040141146 = 21353145881741757
BaseRepresentation
bin101101101101010011001010…
…000110111100101101011010
3222100202210202200111110011111
4231231103022012330231122
5202322043240234004041
61551313343433050534
760225402615621514
oct5555231206745532
9870683680443144
10201025040141146
11590642714a1971
121a667bbb256a4a
1388227701a6a90
14378d9418a2bb4
1518391c8ca6981
hexb6d4ca1bcb5a

201025040141146 has 16 divisors (see below), whose sum is σ = 330859790307144. Its totient is φ = 91030206855744.

The previous prime is 201025040141143. The next prime is 201025040141171. The reversal of 201025040141146 is 641141040520102.

It can be written as a sum of positive squares in 4 ways, for example, as 179684936524921 + 21340103616225 = 13404661^2 + 4619535^2 .

It is a super-2 number, since 2×2010250401411462 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201025040141143) 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, 72940869501 + ... + 72940872256.

Almost surely, 2201025040141146 is an apocalyptic number.

201025040141146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

201025040141146 is a deficient number, since it is larger than the sum of its proper divisors (129834750165998).

201025040141146 is a wasteful number, since it uses less digits than its factorization.

201025040141146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145881741825.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 201025040141146 its reverse (641141040520102), we get a palindrome (842166080661248).

The spelling of 201025040141146 in words is "two hundred one trillion, twenty-five billion, forty million, one hundred forty-one thousand, one hundred forty-six".

Divisors: 1 2 13 26 53 106 689 1378 145881741757 291763483514 1896462642841 3792925285682 7731732313121 15463464626242 100512520070573 201025040141146