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61051101051060 = 22335891352393937
BaseRepresentation
bin11011110000110100100010…
…01100001111100010110100
322000011102120012110022012000
431320122101030033202310
531000230123332113220
6333502253313455300
715600540124441551
oct1570322114174264
9260142505408160
1061051101051060
11184a8698a42aaa
126a20142271530
13280b12ba44c43
141110c63803a28
1570d12c6a1390
hex37869130f8b4

61051101051060 has 192 divisors, whose sum is σ = 192087127814400. Its totient is φ = 16096007245824.

The previous prime is 61051101051037. The next prime is 61051101051119. The reversal of 61051101051060 is 6015010115016.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 649868412 + ... + 649962348.

It is an arithmetic number, because the mean of its divisors is an integer number (1000453790700).

Almost surely, 261051101051060 is an apocalyptic number.

61051101051060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61051101051060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96043563907200).

61051101051060 is an abundant number, since it is smaller than the sum of its proper divisors (131036026763340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61051101051060 is a wasteful number, since it uses less digits than its factorization.

61051101051060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107567 (or 107559 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 61051101051060 its reverse (6015010115016), we get a palindrome (67066111166076).

The spelling of 61051101051060 in words is "sixty-one trillion, fifty-one billion, one hundred one million, fifty-one thousand, sixty".