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61055101005501 = 3137322351460841
BaseRepresentation
bin11011110000111011111111…
…00110110110111010111101
322000011210212222002001010210
431320131333212312322331
531000311321324134001
6333504154242423033
715601041214465401
oct1570357746667275
9260153788061123
1061055101005501
11184aa3608a5a79
126a20a79961a79
13280b61864b9a5
141111122b45101
1570d2b3917dd6
hex37877f9b6ebd

61055101005501 has 16 divisors (see below), whose sum is σ = 82001443891968. Its totient is φ = 40406082528000.

The previous prime is 61055101005499. The next prime is 61055101005517. The reversal of 61055101005501 is 10550010155016.

It is not a de Polignac number, because 61055101005501 - 21 = 61055101005499 is a prime.

It is a super-2 number, since 2×610551010055012 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61055101005001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132255841 + ... + 132716681.

It is an arithmetic number, because the mean of its divisors is an integer number (5125090243248).

Almost surely, 261055101005501 is an apocalyptic number.

It is an amenable number.

61055101005501 is a deficient number, since it is larger than the sum of its proper divisors (20946342886467).

61055101005501 is a wasteful number, since it uses less digits than its factorization.

61055101005501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783332.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 61055101005501 in words is "sixty-one trillion, fifty-five billion, one hundred one million, five thousand, five hundred one".

Divisors: 1 3 137 411 322351 460841 967053 1382523 44162087 63135217 132486261 189405651 148552557191 445657671573 20351700335167 61055101005501