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61130063 = 671078527
BaseRepresentation
bin1110100100110…
…0010101001111
311021000201200102
43221030111033
5111122130223
610022121315
71341411521
oct351142517
9137021612
1061130063
1131562a15
121858023b
13c884447
148193a11
155577928
hex3a4c54f

61130063 has 8 divisors (see below), whose sum is σ = 62629632. Its totient is φ = 59647896.

The previous prime is 61130051. The next prime is 61130107. The reversal of 61130063 is 36003116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61130063 - 210 = 61129039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61130263) 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, 2906 + ... + 11432.

It is an arithmetic number, because the mean of its divisors is an integer number (7828704).

Almost surely, 261130063 is an apocalyptic number.

61130063 is a deficient number, since it is larger than the sum of its proper divisors (1499569).

61130063 is a wasteful number, since it uses less digits than its factorization.

61130063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 61130063 is about 7818.5716726267. The cubic root of 61130063 is about 393.9292970953.

Adding to 61130063 its reverse (36003116), we get a palindrome (97133179).

The spelling of 61130063 in words is "sixty-one million, one hundred thirty thousand, sixty-three".

Divisors: 1 67 107 7169 8527 571309 912389 61130063