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61002066038 = 21091409198599
BaseRepresentation
bin111000110100000000…
…011010100001110110
312211110100011000221012
4320310000122201312
51444413012103123
644005101552222
74256455002014
oct706400324166
9184410130835
1061002066038
1123964092111
12b9a5575672
1359a223b884
142d499bb8b4
1518c06e1378
hexe3401a876

61002066038 has 16 divisors (see below), whose sum is σ = 92408580000. Its totient is φ = 30199606272.

The previous prime is 61002066023. The next prime is 61002066061. The reversal of 61002066038 is 83066020016.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61002065995 and 61002066013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207863 + ... + 406461.

It is an arithmetic number, because the mean of its divisors is an integer number (5775536250).

Almost surely, 261002066038 is an apocalyptic number.

61002066038 is a deficient number, since it is larger than the sum of its proper divisors (31406513962).

61002066038 is a wasteful number, since it uses less digits than its factorization.

61002066038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200119.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 61002066038 in words is "sixty-one billion, two million, sixty-six thousand, thirty-eight".

Divisors: 1 2 109 218 1409 2818 153581 198599 307162 397198 21647291 43294582 279825991 559651982 30501033019 61002066038