Search a number
-
+
61050605501 = 315337158007
BaseRepresentation
bin111000110110111001…
…100100111110111101
312211120201111002120002
4320312321210332331
52000012423334001
644013554204045
74260614404334
oct706671447675
9184521432502
1061050605501
1123989525576
12b9b9883625
1359ac305252
142d52214d1b
1518c4acd46b
hexe36e64fbd

61050605501 has 8 divisors (see below), whose sum is σ = 64209037824. Its totient is φ = 57966489360.

The previous prime is 61050605467. The next prime is 61050605507. The reversal of 61050605501 is 10550605016.

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 61050605501 - 210 = 61050604477 is a prime.

It is a super-2 number, since 2×610506055012 (a number of 22 digits) 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 (61050605507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18577361 + ... + 18580646.

It is an arithmetic number, because the mean of its divisors is an integer number (8026129728).

Almost surely, 261050605501 is an apocalyptic number.

It is an amenable number.

61050605501 is a deficient number, since it is larger than the sum of its proper divisors (3158432323).

61050605501 is a wasteful number, since it uses less digits than its factorization.

61050605501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37158091.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 61050605501 in words is "sixty-one billion, fifty million, six hundred five thousand, five hundred one".

Divisors: 1 31 53 1643 37158007 1151898217 1969374371 61050605501