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61000005010 = 2575914769977
BaseRepresentation
bin111000110011111000…
…100011010110010010
312211110012021022201211
4320303320203112102
51444412000130020
644004545450334
74256431326130
oct706370432622
9184405238654
1061000005010
1123962a0468a
12b9a49409aa
1359a1999729
142d49602750
1518c043585a
hexe33e23592

61000005010 has 32 divisors (see below), whose sum is σ = 127612609920. Its totient is φ = 20559806592.

The previous prime is 61000004999. The next prime is 61000005049. The reversal of 61000005010 is 1050000016.

61000005010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×610000050102 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7380859 + ... + 7389118.

It is an arithmetic number, because the mean of its divisors is an integer number (3987894060).

Almost surely, 261000005010 is an apocalyptic number.

61000005010 is an abundant number, since it is smaller than the sum of its proper divisors (66612604910).

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

61000005010 is a wasteful number, since it uses less digits than its factorization.

61000005010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14770050.

The product of its (nonzero) digits is 30, while the sum is 13.

Adding to 61000005010 its reverse (1050000016), we get a palindrome (62050005026).

The spelling of 61000005010 in words is "sixty-one billion, five thousand, ten".

Divisors: 1 2 5 7 10 14 35 59 70 118 295 413 590 826 2065 4130 14769977 29539954 73849885 103389839 147699770 206779678 516949195 871428643 1033898390 1742857286 4357143215 6100000501 8714286430 12200001002 30500002505 61000005010