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42020460651 = 3132174875329
BaseRepresentation
bin100111001000100111…
…010101100001101011
311000110110220120110110
4213020213111201223
51142024214220101
631145352145403
73015210010431
oct471047254153
9130413816413
1042020460651
1116903500034
128188698263
133c68841900
142068a70d51
15115e08bcd6
hex9c89d586b

42020460651 has 24 divisors (see below), whose sum is σ = 64237348080. Its totient is φ = 24337637376.

The previous prime is 42020460641. The next prime is 42020460701. The reversal of 42020460651 is 15606402024.

42020460651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42020460651 - 210 = 42020459627 is a prime.

It is a super-2 number, since 2×420204606512 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42020460641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2429046 + ... + 2446283.

It is an arithmetic number, because the mean of its divisors is an integer number (2676556170).

Almost surely, 242020460651 is an apocalyptic number.

42020460651 is a deficient number, since it is larger than the sum of its proper divisors (22216887429).

42020460651 is a wasteful number, since it uses less digits than its factorization.

42020460651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875375 (or 4875362 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 42020460651 its reverse (15606402024), we get a palindrome (57626862675).

The spelling of 42020460651 in words is "forty-two billion, twenty million, four hundred sixty thousand, six hundred fifty-one".

Divisors: 1 3 13 17 39 51 169 221 507 663 2873 8619 4875329 14625987 63379277 82880593 190137831 248641779 823930601 1077447709 2471791803 3232343127 14006820217 42020460651