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60507105121 = 149340527197
BaseRepresentation
bin111000010110100000…
…010010011101100001
312210011211210102012101
4320112200102131201
51442404304330441
643444021130401
74241264623201
oct702640223541
9183154712171
1060507105121
112372a757701
12b887859a01
13592382c2a8
142cddd78401
151892021231
hexe16812761

60507105121 has 4 divisors (see below), whose sum is σ = 60547633812. Its totient is φ = 60466576432.

The previous prime is 60507105089. The next prime is 60507105137. The reversal of 60507105121 is 12150170506.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12150170506 = 26075085253.

It can be written as a sum of positive squares in 2 ways, for example, as 33229279521 + 27277825600 = 182289^2 + 165160^2 .

It is a cyclic number.

It is not a de Polignac number, because 60507105121 - 25 = 60507105089 is a prime.

It is a super-2 number, since 2×605071051212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60507105121.

It is not an unprimeable number, because it can be changed into a prime (60507102121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20262106 + ... + 20265091.

It is an arithmetic number, because the mean of its divisors is an integer number (15136908453).

Almost surely, 260507105121 is an apocalyptic number.

It is an amenable number.

60507105121 is a deficient number, since it is larger than the sum of its proper divisors (40528691).

60507105121 is a wasteful number, since it uses less digits than its factorization.

60507105121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40528690.

The product of its (nonzero) digits is 2100, while the sum is 28.

Adding to 60507105121 its reverse (12150170506), we get a palindrome (72657275627).

The spelling of 60507105121 in words is "sixty billion, five hundred seven million, one hundred five thousand, one hundred twenty-one".

Divisors: 1 1493 40527197 60507105121